Home / 5,286,987.80-7,933,106.10-2,092,218.20

Finding the Fourth Proportional to 5,286,987.80, 7,933,106.10 and 2,092,218.20

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Solution

The fourth proportional to 5,286,987.80, 7,933,106.10 and 2,092,218.20 is: 3,139,365.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286,987.80 : 7,933,106.10 = 2,092,218.20 : x
  2. Step 2: Convert to fraction form
    5,286,987.80/7,933,106.10 = 2,092,218.20/x
  3. Step 3: Cross multiply
    5,286,987.80x = 7,933,106.10 × 2,092,218.20
  4. Step 4: Simplify right side
    5,286,987.80x = 16,597,788,964,951.02
  5. Step 5: Solve for x
    x = 16,597,788,964,951.02/5,286,987.80
  6. Step 6: Final answer
    x = 3,139,365.85

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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.