Home / 5,482,531.31-7,566,684.89-3,158,978.76

Finding the Fourth Proportional to 5,482,531.31, 7,566,684.89 and 3,158,978.76

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Solution

The fourth proportional to 5,482,531.31, 7,566,684.89 and 3,158,978.76 is: 4,359,846.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,482,531.31 : 7,566,684.89 = 3,158,978.76 : x
  2. Step 2: Convert to fraction form
    5,482,531.31/7,566,684.89 = 3,158,978.76/x
  3. Step 3: Cross multiply
    5,482,531.31x = 7,566,684.89 × 3,158,978.76
  4. Step 4: Simplify right side
    5,482,531.31x = 23,902,996,835,328.04
  5. Step 5: Solve for x
    x = 23,902,996,835,328.04/5,482,531.31
  6. Step 6: Final answer
    x = 4,359,846.85

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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.