Home / 2,580,471.15-3,868,289.40-873,419.91

Finding the Fourth Proportional to 2,580,471.15, 3,868,289.40 and 873,419.91

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Solution

The fourth proportional to 2,580,471.15, 3,868,289.40 and 873,419.91 is: 1,309,311.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580,471.15 : 3,868,289.40 = 873,419.91 : x
  2. Step 2: Convert to fraction form
    2,580,471.15/3,868,289.40 = 873,419.91/x
  3. Step 3: Cross multiply
    2,580,471.15x = 3,868,289.40 × 873,419.91
  4. Step 4: Simplify right side
    2,580,471.15x = 3,378,640,979,601.95
  5. Step 5: Solve for x
    x = 3,378,640,979,601.95/2,580,471.15
  6. Step 6: Final answer
    x = 1,309,311.67

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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.