Home / 2,219,487.40-3,329,231.10-871,201.90

Finding the Fourth Proportional to 2,219,487.40, 3,329,231.10 and 871,201.90

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Solution

The fourth proportional to 2,219,487.40, 3,329,231.10 and 871,201.90 is: 1,306,802.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219,487.40 : 3,329,231.10 = 871,201.90 : x
  2. Step 2: Convert to fraction form
    2,219,487.40/3,329,231.10 = 871,201.90/x
  3. Step 3: Cross multiply
    2,219,487.40x = 3,329,231.10 × 871,201.90
  4. Step 4: Simplify right side
    2,219,487.40x = 2,900,432,459,859.09
  5. Step 5: Solve for x
    x = 2,900,432,459,859.09/2,219,487.40
  6. Step 6: Final answer
    x = 1,306,802.85

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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.