Home / 5,109,261.28-7,050,950.78-2,786,280.88

Finding the Fourth Proportional to 5,109,261.28, 7,050,950.78 and 2,786,280.88

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Solution

The fourth proportional to 5,109,261.28, 7,050,950.78 and 2,786,280.88 is: 3,845,160.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,109,261.28 : 7,050,950.78 = 2,786,280.88 : x
  2. Step 2: Convert to fraction form
    5,109,261.28/7,050,950.78 = 2,786,280.88/x
  3. Step 3: Cross multiply
    5,109,261.28x = 7,050,950.78 × 2,786,280.88
  4. Step 4: Simplify right side
    5,109,261.28x = 19,645,929,344,135.09
  5. Step 5: Solve for x
    x = 19,645,929,344,135.09/5,109,261.28
  6. Step 6: Final answer
    x = 3,845,160.44

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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.