Home / 5,538,006.80-8,290,421.40-3,292,989.20

Finding the Fourth Proportional to 5,538,006.80, 8,290,421.40 and 3,292,989.20

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Solution

The fourth proportional to 5,538,006.80, 8,290,421.40 and 3,292,989.20 is: 4,929,619.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538,006.80 : 8,290,421.40 = 3,292,989.20 : x
  2. Step 2: Convert to fraction form
    5,538,006.80/8,290,421.40 = 3,292,989.20/x
  3. Step 3: Cross multiply
    5,538,006.80x = 8,290,421.40 × 3,292,989.20
  4. Step 4: Simplify right side
    5,538,006.80x = 27,300,268,133,648.88
  5. Step 5: Solve for x
    x = 27,300,268,133,648.88/5,538,006.80
  6. Step 6: Final answer
    x = 4,929,619.83

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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.