Home / 4,086,486.90-6,131,042.55-1,811,132.10

Finding the Fourth Proportional to 4,086,486.90, 6,131,042.55 and 1,811,132.10

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Solution

The fourth proportional to 4,086,486.90, 6,131,042.55 and 1,811,132.10 is: 2,717,279.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086,486.90 : 6,131,042.55 = 1,811,132.10 : x
  2. Step 2: Convert to fraction form
    4,086,486.90/6,131,042.55 = 1,811,132.10/x
  3. Step 3: Cross multiply
    4,086,486.90x = 6,131,042.55 × 1,811,132.10
  4. Step 4: Simplify right side
    4,086,486.90x = 11,104,127,968,770.86
  5. Step 5: Solve for x
    x = 11,104,127,968,770.86/4,086,486.90
  6. Step 6: Final answer
    x = 2,717,279.72

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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.