Home / 4,936,780.80-7,409,545.20-2,912,493.60

Finding the Fourth Proportional to 4,936,780.80, 7,409,545.20 and 2,912,493.60

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Solution

The fourth proportional to 4,936,780.80, 7,409,545.20 and 2,912,493.60 is: 4,371,320.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,936,780.80 : 7,409,545.20 = 2,912,493.60 : x
  2. Step 2: Convert to fraction form
    4,936,780.80/7,409,545.20 = 2,912,493.60/x
  3. Step 3: Cross multiply
    4,936,780.80x = 7,409,545.20 × 2,912,493.60
  4. Step 4: Simplify right side
    4,936,780.80x = 21,580,252,973,910.72
  5. Step 5: Solve for x
    x = 21,580,252,973,910.72/4,936,780.80
  6. Step 6: Final answer
    x = 4,371,320.88

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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.