Home / 3,472,602.40-5,200,609.20-2,128,909.60

Finding the Fourth Proportional to 3,472,602.40, 5,200,609.20 and 2,128,909.60

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Solution

The fourth proportional to 3,472,602.40, 5,200,609.20 and 2,128,909.60 is: 3,188,279.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472,602.40 : 5,200,609.20 = 2,128,909.60 : x
  2. Step 2: Convert to fraction form
    3,472,602.40/5,200,609.20 = 2,128,909.60/x
  3. Step 3: Cross multiply
    3,472,602.40x = 5,200,609.20 × 2,128,909.60
  4. Step 4: Simplify right side
    3,472,602.40x = 11,071,626,851,728.32
  5. Step 5: Solve for x
    x = 11,071,626,851,728.32/3,472,602.40
  6. Step 6: Final answer
    x = 3,188,279.44

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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.