Home / 2,545,298.88-3,512,422.08-1,399,370.88

Finding the Fourth Proportional to 2,545,298.88, 3,512,422.08 and 1,399,370.88

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Solution

The fourth proportional to 2,545,298.88, 3,512,422.08 and 1,399,370.88 is: 1,931,082.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545,298.88 : 3,512,422.08 = 1,399,370.88 : x
  2. Step 2: Convert to fraction form
    2,545,298.88/3,512,422.08 = 1,399,370.88/x
  3. Step 3: Cross multiply
    2,545,298.88x = 3,512,422.08 × 1,399,370.88
  4. Step 4: Simplify right side
    2,545,298.88x = 4,915,181,177,021.03
  5. Step 5: Solve for x
    x = 4,915,181,177,021.03/2,545,298.88
  6. Step 6: Final answer
    x = 1,931,082.13

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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.