Home / 4,145,451.76-5,720,572.40-2,309,815.20

Finding the Fourth Proportional to 4,145,451.76, 5,720,572.40 and 2,309,815.20

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Solution

The fourth proportional to 4,145,451.76, 5,720,572.40 and 2,309,815.20 is: 3,187,460.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145,451.76 : 5,720,572.40 = 2,309,815.20 : x
  2. Step 2: Convert to fraction form
    4,145,451.76/5,720,572.40 = 2,309,815.20/x
  3. Step 3: Cross multiply
    4,145,451.76x = 5,720,572.40 × 2,309,815.20
  4. Step 4: Simplify right side
    4,145,451.76x = 13,213,465,082,220.48
  5. Step 5: Solve for x
    x = 13,213,465,082,220.48/4,145,451.76
  6. Step 6: Final answer
    x = 3,187,460.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.