Home / 3,639,008.40-5,458,512.60-1,242,493.80

Finding the Fourth Proportional to 3,639,008.40, 5,458,512.60 and 1,242,493.80

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Solution

The fourth proportional to 3,639,008.40, 5,458,512.60 and 1,242,493.80 is: 1,863,740.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639,008.40 : 5,458,512.60 = 1,242,493.80 : x
  2. Step 2: Convert to fraction form
    3,639,008.40/5,458,512.60 = 1,242,493.80/x
  3. Step 3: Cross multiply
    3,639,008.40x = 5,458,512.60 × 1,242,493.80
  4. Step 4: Simplify right side
    3,639,008.40x = 6,782,168,062,721.88
  5. Step 5: Solve for x
    x = 6,782,168,062,721.88/3,639,008.40
  6. Step 6: Final answer
    x = 1,863,740.70

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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.