Home / 3,545,630.80-5,315,335.80-2,126,251.60

Finding the Fourth Proportional to 3,545,630.80, 5,315,335.80 and 2,126,251.60

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Solution

The fourth proportional to 3,545,630.80, 5,315,335.80 and 2,126,251.60 is: 3,187,512.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545,630.80 : 5,315,335.80 = 2,126,251.60 : x
  2. Step 2: Convert to fraction form
    3,545,630.80/5,315,335.80 = 2,126,251.60/x
  3. Step 3: Cross multiply
    3,545,630.80x = 5,315,335.80 × 2,126,251.60
  4. Step 4: Simplify right side
    3,545,630.80x = 11,301,741,249,287.28
  5. Step 5: Solve for x
    x = 11,301,741,249,287.28/3,545,630.80
  6. Step 6: Final answer
    x = 3,187,512.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.