Home / 6,428,311.92-9,642,191.40-1,940,454

Finding the Fourth Proportional to 6,428,311.92, 9,642,191.40 and 1,940,454

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Solution

The fourth proportional to 6,428,311.92, 9,642,191.40 and 1,940,454 is: 2,910,597.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428,311.92 : 9,642,191.40 = 1,940,454 : x
  2. Step 2: Convert to fraction form
    6,428,311.92/9,642,191.40 = 1,940,454/x
  3. Step 3: Cross multiply
    6,428,311.92x = 9,642,191.40 × 1,940,454
  4. Step 4: Simplify right side
    6,428,311.92x = 18,710,228,870,895.60
  5. Step 5: Solve for x
    x = 18,710,228,870,895.60/6,428,311.92
  6. Step 6: Final answer
    x = 2,910,597.54

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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.