Home / 3,609,637.59-4,981,299.92-1,978,109.16

Finding the Fourth Proportional to 3,609,637.59, 4,981,299.92 and 1,978,109.16

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Solution

The fourth proportional to 3,609,637.59, 4,981,299.92 and 1,978,109.16 is: 2,729,790.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609,637.59 : 4,981,299.92 = 1,978,109.16 : x
  2. Step 2: Convert to fraction form
    3,609,637.59/4,981,299.92 = 1,978,109.16/x
  3. Step 3: Cross multiply
    3,609,637.59x = 4,981,299.92 × 1,978,109.16
  4. Step 4: Simplify right side
    3,609,637.59x = 9,853,555,000,459.27
  5. Step 5: Solve for x
    x = 9,853,555,000,459.27/3,609,637.59
  6. Step 6: Final answer
    x = 2,729,790.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.