Home / 6,428,281.92-9,642,146.40-1,940,424

Finding the Fourth Proportional to 6,428,281.92, 9,642,146.40 and 1,940,424

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Solution

The fourth proportional to 6,428,281.92, 9,642,146.40 and 1,940,424 is: 2,910,552.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428,281.92 : 9,642,146.40 = 1,940,424 : x
  2. Step 2: Convert to fraction form
    6,428,281.92/9,642,146.40 = 1,940,424/x
  3. Step 3: Cross multiply
    6,428,281.92x = 9,642,146.40 × 1,940,424
  4. Step 4: Simplify right side
    6,428,281.92x = 18,709,852,286,073.60
  5. Step 5: Solve for x
    x = 18,709,852,286,073.60/6,428,281.92
  6. Step 6: Final answer
    x = 2,910,552.54

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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.