Home / 2,219,486.40-3,329,229.60-871,200.90

Finding the Fourth Proportional to 2,219,486.40, 3,329,229.60 and 871,200.90

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Solution

The fourth proportional to 2,219,486.40, 3,329,229.60 and 871,200.90 is: 1,306,801.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219,486.40 : 3,329,229.60 = 871,200.90 : x
  2. Step 2: Convert to fraction form
    2,219,486.40/3,329,229.60 = 871,200.90/x
  3. Step 3: Cross multiply
    2,219,486.40x = 3,329,229.60 × 871,200.90
  4. Step 4: Simplify right side
    2,219,486.40x = 2,900,427,823,826.64
  5. Step 5: Solve for x
    x = 2,900,427,823,826.64/2,219,486.40
  6. Step 6: Final answer
    x = 1,306,801.35

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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.