Home / 5,691,320.92-8,536,352.46-1,431,490.78

Finding the Fourth Proportional to 5,691,320.92, 8,536,352.46 and 1,431,490.78

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Solution

The fourth proportional to 5,691,320.92, 8,536,352.46 and 1,431,490.78 is: 2,147,077.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,691,320.92 : 8,536,352.46 = 1,431,490.78 : x
  2. Step 2: Convert to fraction form
    5,691,320.92/8,536,352.46 = 1,431,490.78/x
  3. Step 3: Cross multiply
    5,691,320.92x = 8,536,352.46 × 1,431,490.78
  4. Step 4: Simplify right side
    5,691,320.92x = 12,219,709,841,320.32
  5. Step 5: Solve for x
    x = 12,219,709,841,320.32/5,691,320.92
  6. Step 6: Final answer
    x = 2,147,077.98

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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.