Home / 5,346,041.40-8,019,062.10-2,153,458.80

Finding the Fourth Proportional to 5,346,041.40, 8,019,062.10 and 2,153,458.80

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Solution

The fourth proportional to 5,346,041.40, 8,019,062.10 and 2,153,458.80 is: 3,230,188.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,346,041.40 : 8,019,062.10 = 2,153,458.80 : x
  2. Step 2: Convert to fraction form
    5,346,041.40/8,019,062.10 = 2,153,458.80/x
  3. Step 3: Cross multiply
    5,346,041.40x = 8,019,062.10 × 2,153,458.80
  4. Step 4: Simplify right side
    5,346,041.40x = 17,268,719,846,991.48
  5. Step 5: Solve for x
    x = 17,268,719,846,991.48/5,346,041.40
  6. Step 6: Final answer
    x = 3,230,188.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.