Home / 3,608,303.35-4,979,458.33-2,157,998.75

Finding the Fourth Proportional to 3,608,303.35, 4,979,458.33 and 2,157,998.75

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Solution

The fourth proportional to 3,608,303.35, 4,979,458.33 and 2,157,998.75 is: 2,978,038.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608,303.35 : 4,979,458.33 = 2,157,998.75 : x
  2. Step 2: Convert to fraction form
    3,608,303.35/4,979,458.33 = 2,157,998.75/x
  3. Step 3: Cross multiply
    3,608,303.35x = 4,979,458.33 × 2,157,998.75
  4. Step 4: Simplify right side
    3,608,303.35x = 10,745,664,851,817.09
  5. Step 5: Solve for x
    x = 10,745,664,851,817.09/3,608,303.35
  6. Step 6: Final answer
    x = 2,978,038.10

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.