Home / 3,127,087.62-4,687,145.90-1,418,668.83

Finding the Fourth Proportional to 3,127,087.62, 4,687,145.90 and 1,418,668.83

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Solution

The fourth proportional to 3,127,087.62, 4,687,145.90 and 1,418,668.83 is: 2,126,421.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127,087.62 : 4,687,145.90 = 1,418,668.83 : x
  2. Step 2: Convert to fraction form
    3,127,087.62/4,687,145.90 = 1,418,668.83/x
  3. Step 3: Cross multiply
    3,127,087.62x = 4,687,145.90 × 1,418,668.83
  4. Step 4: Simplify right side
    3,127,087.62x = 6,649,507,788,218.96
  5. Step 5: Solve for x
    x = 6,649,507,788,218.96/3,127,087.62
  6. Step 6: Final answer
    x = 2,126,421.96

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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.