Home / 2,865,123.31-3,954,432-1,642,248.49

Finding the Fourth Proportional to 2,865,123.31, 3,954,432 and 1,642,248.49

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Solution

The fourth proportional to 2,865,123.31, 3,954,432 and 1,642,248.49 is: 2,266,624.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865,123.31 : 3,954,432 = 1,642,248.49 : x
  2. Step 2: Convert to fraction form
    2,865,123.31/3,954,432 = 1,642,248.49/x
  3. Step 3: Cross multiply
    2,865,123.31x = 3,954,432 × 1,642,248.49
  4. Step 4: Simplify right side
    2,865,123.31x = 6,494,159,980,807.68
  5. Step 5: Solve for x
    x = 6,494,159,980,807.68/2,865,123.31
  6. Step 6: Final answer
    x = 2,266,624.95

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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.