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Finding the Fourth Proportional to 6,237,592.32, 8,607,949.20 and 3,659,316.96

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Solution

The fourth proportional to 6,237,592.32, 8,607,949.20 and 3,659,316.96 is: 5,049,899.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,237,592.32 : 8,607,949.20 = 3,659,316.96 : x
  2. Step 2: Convert to fraction form
    6,237,592.32/8,607,949.20 = 3,659,316.96/x
  3. Step 3: Cross multiply
    6,237,592.32x = 8,607,949.20 × 3,659,316.96
  4. Step 4: Simplify right side
    6,237,592.32x = 31,499,214,498,378.43
  5. Step 5: Solve for x
    x = 31,499,214,498,378.43/6,237,592.32
  6. Step 6: Final answer
    x = 5,049,899.53

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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.