Home / 5,299,741.80-7,949,742.30-1,933,947.72

Finding the Fourth Proportional to 5,299,741.80, 7,949,742.30 and 1,933,947.72

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Solution

The fourth proportional to 5,299,741.80, 7,949,742.30 and 1,933,947.72 is: 2,900,968.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299,741.80 : 7,949,742.30 = 1,933,947.72 : x
  2. Step 2: Convert to fraction form
    5,299,741.80/7,949,742.30 = 1,933,947.72/x
  3. Step 3: Cross multiply
    5,299,741.80x = 7,949,742.30 × 1,933,947.72
  4. Step 4: Simplify right side
    5,299,741.80x = 15,374,385,995,672.55
  5. Step 5: Solve for x
    x = 15,374,385,995,672.55/5,299,741.80
  6. Step 6: Final answer
    x = 2,900,968.87

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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.