Home / 5,434,371.78-7,499,510.08-2,987,209.10

Finding the Fourth Proportional to 5,434,371.78, 7,499,510.08 and 2,987,209.10

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Solution

The fourth proportional to 5,434,371.78, 7,499,510.08 and 2,987,209.10 is: 4,122,390.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434,371.78 : 7,499,510.08 = 2,987,209.10 : x
  2. Step 2: Convert to fraction form
    5,434,371.78/7,499,510.08 = 2,987,209.10/x
  3. Step 3: Cross multiply
    5,434,371.78x = 7,499,510.08 × 2,987,209.10
  4. Step 4: Simplify right side
    5,434,371.78x = 22,402,604,756,517.73
  5. Step 5: Solve for x
    x = 22,402,604,756,517.73/5,434,371.78
  6. Step 6: Final answer
    x = 4,122,390.90

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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.