Home / 1,547,398.08-2,135,451.60-868,376.16

Finding the Fourth Proportional to 1,547,398.08, 2,135,451.60 and 868,376.16

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Solution

The fourth proportional to 1,547,398.08, 2,135,451.60 and 868,376.16 is: 1,198,382.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,398.08 : 2,135,451.60 = 868,376.16 : x
  2. Step 2: Convert to fraction form
    1,547,398.08/2,135,451.60 = 868,376.16/x
  3. Step 3: Cross multiply
    1,547,398.08x = 2,135,451.60 × 868,376.16
  4. Step 4: Simplify right side
    1,547,398.08x = 1,854,375,260,273.86
  5. Step 5: Solve for x
    x = 1,854,375,260,273.86/1,547,398.08
  6. Step 6: Final answer
    x = 1,198,382.81

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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.