Home / 3,887,672.70-5,829,759.45-1,490,720.70

Finding the Fourth Proportional to 3,887,672.70, 5,829,759.45 and 1,490,720.70

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Solution

The fourth proportional to 3,887,672.70, 5,829,759.45 and 1,490,720.70 is: 2,235,410.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887,672.70 : 5,829,759.45 = 1,490,720.70 : x
  2. Step 2: Convert to fraction form
    3,887,672.70/5,829,759.45 = 1,490,720.70/x
  3. Step 3: Cross multiply
    3,887,672.70x = 5,829,759.45 × 1,490,720.70
  4. Step 4: Simplify right side
    3,887,672.70x = 8,690,543,088,135.62
  5. Step 5: Solve for x
    x = 8,690,543,088,135.62/3,887,672.70
  6. Step 6: Final answer
    x = 2,235,410.17

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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.