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Finding the Fourth Proportional to 5,325,952.07, 7,347,748.53 and 3,391,866.47

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Solution

The fourth proportional to 5,325,952.07, 7,347,748.53 and 3,391,866.47 is: 4,679,460.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,325,952.07 : 7,347,748.53 = 3,391,866.47 : x
  2. Step 2: Convert to fraction form
    5,325,952.07/7,347,748.53 = 3,391,866.47/x
  3. Step 3: Cross multiply
    5,325,952.07x = 7,347,748.53 × 3,391,866.47
  4. Step 4: Simplify right side
    5,325,952.07x = 24,922,581,832,160.05
  5. Step 5: Solve for x
    x = 24,922,581,832,160.05/5,325,952.07
  6. Step 6: Final answer
    x = 4,679,460.41

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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.