Home / 2,551,940.28-3,521,645.22-1,390,434.90

Finding the Fourth Proportional to 2,551,940.28, 3,521,645.22 and 1,390,434.90

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Solution

The fourth proportional to 2,551,940.28, 3,521,645.22 and 1,390,434.90 is: 1,918,782.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551,940.28 : 3,521,645.22 = 1,390,434.90 : x
  2. Step 2: Convert to fraction form
    2,551,940.28/3,521,645.22 = 1,390,434.90/x
  3. Step 3: Cross multiply
    2,551,940.28x = 3,521,645.22 × 1,390,434.90
  4. Step 4: Simplify right side
    2,551,940.28x = 4,896,618,419,306.18
  5. Step 5: Solve for x
    x = 4,896,618,419,306.18/2,551,940.28
  6. Step 6: Final answer
    x = 1,918,782.53

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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.