Home / 2,799,500.80-4,196,140.80-1,538,233.60

Finding the Fourth Proportional to 2,799,500.80, 4,196,140.80 and 1,538,233.60

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Solution

The fourth proportional to 2,799,500.80, 4,196,140.80 and 1,538,233.60 is: 2,305,641.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799,500.80 : 4,196,140.80 = 1,538,233.60 : x
  2. Step 2: Convert to fraction form
    2,799,500.80/4,196,140.80 = 1,538,233.60/x
  3. Step 3: Cross multiply
    2,799,500.80x = 4,196,140.80 × 1,538,233.60
  4. Step 4: Simplify right side
    2,799,500.80x = 6,454,644,768,890.88
  5. Step 5: Solve for x
    x = 6,454,644,768,890.88/2,799,500.80
  6. Step 6: Final answer
    x = 2,305,641.34

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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.