Home / 2,219,063.22-3,328,689.76-871,517.96

Finding the Fourth Proportional to 2,219,063.22, 3,328,689.76 and 871,517.96

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Solution

The fourth proportional to 2,219,063.22, 3,328,689.76 and 871,517.96 is: 1,307,314.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219,063.22 : 3,328,689.76 = 871,517.96 : x
  2. Step 2: Convert to fraction form
    2,219,063.22/3,328,689.76 = 871,517.96/x
  3. Step 3: Cross multiply
    2,219,063.22x = 3,328,689.76 × 871,517.96
  4. Step 4: Simplify right side
    2,219,063.22x = 2,901,012,909,108.09
  5. Step 5: Solve for x
    x = 2,901,012,909,108.09/2,219,063.22
  6. Step 6: Final answer
    x = 1,307,314.22

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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.