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Finding the Fourth Proportional to 5,791,573.98, 7,992,373.13 and 3,213,248.61

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Solution

The fourth proportional to 5,791,573.98, 7,992,373.13 and 3,213,248.61 is: 4,434,283.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,791,573.98 : 7,992,373.13 = 3,213,248.61 : x
  2. Step 2: Convert to fraction form
    5,791,573.98/7,992,373.13 = 3,213,248.61/x
  3. Step 3: Cross multiply
    5,791,573.98x = 7,992,373.13 × 3,213,248.61
  4. Step 4: Simplify right side
    5,791,573.98x = 25,681,481,850,573.85
  5. Step 5: Solve for x
    x = 25,681,481,850,573.85/5,791,573.98
  6. Step 6: Final answer
    x = 4,434,283.66

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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.