Home / 5,286,281.92-7,929,429.84-1,448,138.47

Finding the Fourth Proportional to 5,286,281.92, 7,929,429.84 and 1,448,138.47

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Solution

The fourth proportional to 5,286,281.92, 7,929,429.84 and 1,448,138.47 is: 2,172,209.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286,281.92 : 7,929,429.84 = 1,448,138.47 : x
  2. Step 2: Convert to fraction form
    5,286,281.92/7,929,429.84 = 1,448,138.47/x
  3. Step 3: Cross multiply
    5,286,281.92x = 7,929,429.84 × 1,448,138.47
  4. Step 4: Simplify right side
    5,286,281.92x = 11,482,912,376,646.37
  5. Step 5: Solve for x
    x = 11,482,912,376,646.37/5,286,281.92
  6. Step 6: Final answer
    x = 2,172,209.61

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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.