Home / 1,547,127.75-2,135,073.08-868,114.47

Finding the Fourth Proportional to 1,547,127.75, 2,135,073.08 and 868,114.47

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Solution

The fourth proportional to 1,547,127.75, 2,135,073.08 and 868,114.47 is: 1,198,018.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,127.75 : 2,135,073.08 = 868,114.47 : x
  2. Step 2: Convert to fraction form
    1,547,127.75/2,135,073.08 = 868,114.47/x
  3. Step 3: Cross multiply
    1,547,127.75x = 2,135,073.08 × 868,114.47
  4. Step 4: Simplify right side
    1,547,127.75x = 1,853,487,830,914.90
  5. Step 5: Solve for x
    x = 1,853,487,830,914.90/1,547,127.75
  6. Step 6: Final answer
    x = 1,198,018.61

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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.