Home / 2,318,077.30-3,199,138.20-1,285,917.88

Finding the Fourth Proportional to 2,318,077.30, 3,199,138.20 and 1,285,917.88

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Solution

The fourth proportional to 2,318,077.30, 3,199,138.20 and 1,285,917.88 is: 1,774,672.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318,077.30 : 3,199,138.20 = 1,285,917.88 : x
  2. Step 2: Convert to fraction form
    2,318,077.30/3,199,138.20 = 1,285,917.88/x
  3. Step 3: Cross multiply
    2,318,077.30x = 3,199,138.20 × 1,285,917.88
  4. Step 4: Simplify right side
    2,318,077.30x = 4,113,829,011,971.02
  5. Step 5: Solve for x
    x = 4,113,829,011,971.02/2,318,077.30
  6. Step 6: Final answer
    x = 1,774,672.92

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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.