Home / 2,217,453.12-3,328,049.10-870,561.60

Finding the Fourth Proportional to 2,217,453.12, 3,328,049.10 and 870,561.60

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Solution

The fourth proportional to 2,217,453.12, 3,328,049.10 and 870,561.60 is: 1,306,576.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217,453.12 : 3,328,049.10 = 870,561.60 : x
  2. Step 2: Convert to fraction form
    2,217,453.12/3,328,049.10 = 870,561.60/x
  3. Step 3: Cross multiply
    2,217,453.12x = 3,328,049.10 × 870,561.60
  4. Step 4: Simplify right side
    2,217,453.12x = 2,897,271,749,374.56
  5. Step 5: Solve for x
    x = 2,897,271,749,374.56/2,217,453.12
  6. Step 6: Final answer
    x = 1,306,576.33

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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.