Home / 4,200,616.80-6,304,035.60-2,780,200.80

Finding the Fourth Proportional to 4,200,616.80, 6,304,035.60 and 2,780,200.80

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Solution

The fourth proportional to 4,200,616.80, 6,304,035.60 and 2,780,200.80 is: 4,172,359.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200,616.80 : 6,304,035.60 = 2,780,200.80 : x
  2. Step 2: Convert to fraction form
    4,200,616.80/6,304,035.60 = 2,780,200.80/x
  3. Step 3: Cross multiply
    4,200,616.80x = 6,304,035.60 × 2,780,200.80
  4. Step 4: Simplify right side
    4,200,616.80x = 17,526,484,818,348.48
  5. Step 5: Solve for x
    x = 17,526,484,818,348.48/4,200,616.80
  6. Step 6: Final answer
    x = 4,172,359.83

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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.