Home / 2,545,309.38-3,512,436.57-1,399,381.38

Finding the Fourth Proportional to 2,545,309.38, 3,512,436.57 and 1,399,381.38

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Solution

The fourth proportional to 2,545,309.38, 3,512,436.57 and 1,399,381.38 is: 1,931,096.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545,309.38 : 3,512,436.57 = 1,399,381.38 : x
  2. Step 2: Convert to fraction form
    2,545,309.38/3,512,436.57 = 1,399,381.38/x
  3. Step 3: Cross multiply
    2,545,309.38x = 3,512,436.57 × 1,399,381.38
  4. Step 4: Simplify right side
    2,545,309.38x = 4,915,238,334,489.07
  5. Step 5: Solve for x
    x = 4,915,238,334,489.07/2,545,309.38
  6. Step 6: Final answer
    x = 1,931,096.62

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Similar ratio
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1.5x scale

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.