Home / 1,547,866.10-2,135,938.03-868,671.38

Finding the Fourth Proportional to 1,547,866.10, 2,135,938.03 and 868,671.38

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Solution

The fourth proportional to 1,547,866.10, 2,135,938.03 and 868,671.38 is: 1,198,700.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,866.10 : 2,135,938.03 = 868,671.38 : x
  2. Step 2: Convert to fraction form
    1,547,866.10/2,135,938.03 = 868,671.38/x
  3. Step 3: Cross multiply
    1,547,866.10x = 2,135,938.03 × 868,671.38
  4. Step 4: Simplify right side
    1,547,866.10x = 1,855,428,221,091.53
  5. Step 5: Solve for x
    x = 1,855,428,221,091.53/1,547,866.10
  6. Step 6: Final answer
    x = 1,198,700.73

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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.