Home / 3,145,317.98-4,718,967.28-1,123,517.14

Finding the Fourth Proportional to 3,145,317.98, 4,718,967.28 and 1,123,517.14

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Solution

The fourth proportional to 3,145,317.98, 4,718,967.28 and 1,123,517.14 is: 1,685,629.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145,317.98 : 4,718,967.28 = 1,123,517.14 : x
  2. Step 2: Convert to fraction form
    3,145,317.98/4,718,967.28 = 1,123,517.14/x
  3. Step 3: Cross multiply
    3,145,317.98x = 4,718,967.28 × 1,123,517.14
  4. Step 4: Simplify right side
    3,145,317.98x = 5,301,840,607,572.97
  5. Step 5: Solve for x
    x = 5,301,840,607,572.97/3,145,317.98
  6. Step 6: Final answer
    x = 1,685,629.45

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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.