Home / 2,185,622.40-3,279,211.20-2,107,862.40

Finding the Fourth Proportional to 2,185,622.40, 3,279,211.20 and 2,107,862.40

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Solution

The fourth proportional to 2,185,622.40, 3,279,211.20 and 2,107,862.40 is: 3,162,543.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,622.40 : 3,279,211.20 = 2,107,862.40 : x
  2. Step 2: Convert to fraction form
    2,185,622.40/3,279,211.20 = 2,107,862.40/x
  3. Step 3: Cross multiply
    2,185,622.40x = 3,279,211.20 × 2,107,862.40
  4. Step 4: Simplify right side
    2,185,622.40x = 6,912,125,990,138.88
  5. Step 5: Solve for x
    x = 6,912,125,990,138.88/2,185,622.40
  6. Step 6: Final answer
    x = 3,162,543.53

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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.