Home / 2,545,575.12-3,512,906.52-1,399,729.20

Finding the Fourth Proportional to 2,545,575.12, 3,512,906.52 and 1,399,729.20

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Solution

The fourth proportional to 2,545,575.12, 3,512,906.52 and 1,399,729.20 is: 1,931,633.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545,575.12 : 3,512,906.52 = 1,399,729.20 : x
  2. Step 2: Convert to fraction form
    2,545,575.12/3,512,906.52 = 1,399,729.20/x
  3. Step 3: Cross multiply
    2,545,575.12x = 3,512,906.52 × 1,399,729.20
  4. Step 4: Simplify right side
    2,545,575.12x = 4,917,117,832,914.38
  5. Step 5: Solve for x
    x = 4,917,117,832,914.38/2,545,575.12
  6. Step 6: Final answer
    x = 1,931,633.36

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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.