Home / 2,545,468.56-3,512,715.12-1,399,538.88

Finding the Fourth Proportional to 2,545,468.56, 3,512,715.12 and 1,399,538.88

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Solution

The fourth proportional to 2,545,468.56, 3,512,715.12 and 1,399,538.88 is: 1,931,346.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545,468.56 : 3,512,715.12 = 1,399,538.88 : x
  2. Step 2: Convert to fraction form
    2,545,468.56/3,512,715.12 = 1,399,538.88/x
  3. Step 3: Cross multiply
    2,545,468.56x = 3,512,715.12 × 1,399,538.88
  4. Step 4: Simplify right side
    2,545,468.56x = 4,916,181,384,803.87
  5. Step 5: Solve for x
    x = 4,916,181,384,803.87/2,545,468.56
  6. Step 6: Final answer
    x = 1,931,346.34

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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.