Home / 2,189,489.10-3,284,233.65-1,587,626.70

Finding the Fourth Proportional to 2,189,489.10, 3,284,233.65 and 1,587,626.70

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Solution

The fourth proportional to 2,189,489.10, 3,284,233.65 and 1,587,626.70 is: 2,381,440.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189,489.10 : 3,284,233.65 = 1,587,626.70 : x
  2. Step 2: Convert to fraction form
    2,189,489.10/3,284,233.65 = 1,587,626.70/x
  3. Step 3: Cross multiply
    2,189,489.10x = 3,284,233.65 × 1,587,626.70
  4. Step 4: Simplify right side
    2,189,489.10x = 5,214,137,031,778.46
  5. Step 5: Solve for x
    x = 5,214,137,031,778.46/2,189,489.10
  6. Step 6: Final answer
    x = 2,381,440.05

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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.