Home / 3,947,398.31-5,447,426.07-2,136,562.31

Finding the Fourth Proportional to 3,947,398.31, 5,447,426.07 and 2,136,562.31

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Solution

The fourth proportional to 3,947,398.31, 5,447,426.07 and 2,136,562.31 is: 2,948,464.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947,398.31 : 5,447,426.07 = 2,136,562.31 : x
  2. Step 2: Convert to fraction form
    3,947,398.31/5,447,426.07 = 2,136,562.31/x
  3. Step 3: Cross multiply
    3,947,398.31x = 5,447,426.07 × 2,136,562.31
  4. Step 4: Simplify right side
    3,947,398.31x = 11,638,765,249,304.10
  5. Step 5: Solve for x
    x = 11,638,765,249,304.10/3,947,398.31
  6. Step 6: Final answer
    x = 2,948,464.87

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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.