Home / 3,612,418.55-5,414,834.70-1,215,431.01

Finding the Fourth Proportional to 3,612,418.55, 5,414,834.70 and 1,215,431.01

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Solution

The fourth proportional to 3,612,418.55, 5,414,834.70 and 1,215,431.01 is: 1,821,870.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612,418.55 : 5,414,834.70 = 1,215,431.01 : x
  2. Step 2: Convert to fraction form
    3,612,418.55/5,414,834.70 = 1,215,431.01/x
  3. Step 3: Cross multiply
    3,612,418.55x = 5,414,834.70 × 1,215,431.01
  4. Step 4: Simplify right side
    3,612,418.55x = 6,581,358,008,404.05
  5. Step 5: Solve for x
    x = 6,581,358,008,404.05/3,612,418.55
  6. Step 6: Final answer
    x = 1,821,870.29

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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.