Home / 2,230,761.60-3,078,440.72-1,263,889.76

Finding the Fourth Proportional to 2,230,761.60, 3,078,440.72 and 1,263,889.76

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Solution

The fourth proportional to 2,230,761.60, 3,078,440.72 and 1,263,889.76 is: 1,744,162.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230,761.60 : 3,078,440.72 = 1,263,889.76 : x
  2. Step 2: Convert to fraction form
    2,230,761.60/3,078,440.72 = 1,263,889.76/x
  3. Step 3: Cross multiply
    2,230,761.60x = 3,078,440.72 × 1,263,889.76
  4. Step 4: Simplify right side
    2,230,761.60x = 3,890,809,702,775.03
  5. Step 5: Solve for x
    x = 3,890,809,702,775.03/2,230,761.60
  6. Step 6: Final answer
    x = 1,744,162.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.