Home / 2,086,821.76-3,129,321.08-738,536.44

Finding the Fourth Proportional to 2,086,821.76, 3,129,321.08 and 738,536.44

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Solution

The fourth proportional to 2,086,821.76, 3,129,321.08 and 738,536.44 is: 1,107,482.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,821.76 : 3,129,321.08 = 738,536.44 : x
  2. Step 2: Convert to fraction form
    2,086,821.76/3,129,321.08 = 738,536.44/x
  3. Step 3: Cross multiply
    2,086,821.76x = 3,129,321.08 × 738,536.44
  4. Step 4: Simplify right side
    2,086,821.76x = 2,311,117,650,040.16
  5. Step 5: Solve for x
    x = 2,311,117,650,040.16/2,086,821.76
  6. Step 6: Final answer
    x = 1,107,482.05

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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.