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Finding the Fourth Proportional to 2,862,981, 4,294,497.42 and 868,437

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Solution

The fourth proportional to 2,862,981, 4,294,497.42 and 868,437 is: 1,302,663.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862,981 : 4,294,497.42 = 868,437 : x
  2. Step 2: Convert to fraction form
    2,862,981/4,294,497.42 = 868,437/x
  3. Step 3: Cross multiply
    2,862,981x = 4,294,497.42 × 868,437
  4. Step 4: Simplify right side
    2,862,981x = 3,729,500,455,932.54
  5. Step 5: Solve for x
    x = 3,729,500,455,932.54/2,862,981
  6. Step 6: Final answer
    x = 1,302,663.36

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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.