Home / 6,437,789.60-9,664,057.20-3,779,895.20

Finding the Fourth Proportional to 6,437,789.60, 9,664,057.20 and 3,779,895.20

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Solution

The fourth proportional to 6,437,789.60, 9,664,057.20 and 3,779,895.20 is: 5,674,171.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,437,789.60 : 9,664,057.20 = 3,779,895.20 : x
  2. Step 2: Convert to fraction form
    6,437,789.60/9,664,057.20 = 3,779,895.20/x
  3. Step 3: Cross multiply
    6,437,789.60x = 9,664,057.20 × 3,779,895.20
  4. Step 4: Simplify right side
    6,437,789.60x = 36,529,123,422,805.44
  5. Step 5: Solve for x
    x = 36,529,123,422,805.44/6,437,789.60
  6. Step 6: Final answer
    x = 5,674,171.68

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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.