Home / 5,138,151.14-7,706,930.78-1,543,842.02

Finding the Fourth Proportional to 5,138,151.14, 7,706,930.78 and 1,543,842.02

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Solution

The fourth proportional to 5,138,151.14, 7,706,930.78 and 1,543,842.02 is: 2,315,674.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,138,151.14 : 7,706,930.78 = 1,543,842.02 : x
  2. Step 2: Convert to fraction form
    5,138,151.14/7,706,930.78 = 1,543,842.02/x
  3. Step 3: Cross multiply
    5,138,151.14x = 7,706,930.78 × 1,543,842.02
  4. Step 4: Simplify right side
    5,138,151.14x = 11,898,283,583,395.38
  5. Step 5: Solve for x
    x = 11,898,283,583,395.38/5,138,151.14
  6. Step 6: Final answer
    x = 2,315,674.11

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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.