Home / 3,861,472.05-5,328,479.20-2,291,333.29

Finding the Fourth Proportional to 3,861,472.05, 5,328,479.20 and 2,291,333.29

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Solution

The fourth proportional to 3,861,472.05, 5,328,479.20 and 2,291,333.29 is: 3,161,830.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861,472.05 : 5,328,479.20 = 2,291,333.29 : x
  2. Step 2: Convert to fraction form
    3,861,472.05/5,328,479.20 = 2,291,333.29/x
  3. Step 3: Cross multiply
    3,861,472.05x = 5,328,479.20 × 2,291,333.29
  4. Step 4: Simplify right side
    3,861,472.05x = 12,209,321,776,032.57
  5. Step 5: Solve for x
    x = 12,209,321,776,032.57/3,861,472.05
  6. Step 6: Final answer
    x = 3,161,830.93

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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.