Home / 3,189,339.40-4,784,009.10-1,059,638.80

Finding the Fourth Proportional to 3,189,339.40, 4,784,009.10 and 1,059,638.80

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Solution

The fourth proportional to 3,189,339.40, 4,784,009.10 and 1,059,638.80 is: 1,589,458.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189,339.40 : 4,784,009.10 = 1,059,638.80 : x
  2. Step 2: Convert to fraction form
    3,189,339.40/4,784,009.10 = 1,059,638.80/x
  3. Step 3: Cross multiply
    3,189,339.40x = 4,784,009.10 × 1,059,638.80
  4. Step 4: Simplify right side
    3,189,339.40x = 5,069,321,661,913.08
  5. Step 5: Solve for x
    x = 5,069,321,661,913.08/3,189,339.40
  6. Step 6: Final answer
    x = 1,589,458.20

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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.