Home / 6,370,691.20-9,558,801.60-3,218,819.20

Finding the Fourth Proportional to 6,370,691.20, 9,558,801.60 and 3,218,819.20

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Solution

The fourth proportional to 6,370,691.20, 9,558,801.60 and 3,218,819.20 is: 4,829,625.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,370,691.20 : 9,558,801.60 = 3,218,819.20 : x
  2. Step 2: Convert to fraction form
    6,370,691.20/9,558,801.60 = 3,218,819.20/x
  3. Step 3: Cross multiply
    6,370,691.20x = 9,558,801.60 × 3,218,819.20
  4. Step 4: Simplify right side
    6,370,691.20x = 30,768,054,119,070.72
  5. Step 5: Solve for x
    x = 30,768,054,119,070.72/6,370,691.20
  6. Step 6: Final answer
    x = 4,829,625.73

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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.