Home / 2,545,030.72-3,512,209.44-1,399,139.92

Finding the Fourth Proportional to 2,545,030.72, 3,512,209.44 and 1,399,139.92

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Solution

The fourth proportional to 2,545,030.72, 3,512,209.44 and 1,399,139.92 is: 1,930,849.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545,030.72 : 3,512,209.44 = 1,399,139.92 : x
  2. Step 2: Convert to fraction form
    2,545,030.72/3,512,209.44 = 1,399,139.92/x
  3. Step 3: Cross multiply
    2,545,030.72x = 3,512,209.44 × 1,399,139.92
  4. Step 4: Simplify right side
    2,545,030.72x = 4,914,072,434,904.85
  5. Step 5: Solve for x
    x = 4,914,072,434,904.85/2,545,030.72
  6. Step 6: Final answer
    x = 1,930,849.95

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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.