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Finding the Fourth Proportional to 3,699,998.04, 5,548,815.90 and 1,175,062.80

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Solution

The fourth proportional to 3,699,998.04, 5,548,815.90 and 1,175,062.80 is: 1,762,219.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,699,998.04 : 5,548,815.90 = 1,175,062.80 : x
  2. Step 2: Convert to fraction form
    3,699,998.04/5,548,815.90 = 1,175,062.80/x
  3. Step 3: Cross multiply
    3,699,998.04x = 5,548,815.90 × 1,175,062.80
  4. Step 4: Simplify right side
    3,699,998.04x = 6,520,207,148,138.52
  5. Step 5: Solve for x
    x = 6,520,207,148,138.52/3,699,998.04
  6. Step 6: Final answer
    x = 1,762,219.08

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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.