Home / 2,080,447.70-3,120,671.55-1,520,575.70

Finding the Fourth Proportional to 2,080,447.70, 3,120,671.55 and 1,520,575.70

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Solution

The fourth proportional to 2,080,447.70, 3,120,671.55 and 1,520,575.70 is: 2,280,863.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,447.70 : 3,120,671.55 = 1,520,575.70 : x
  2. Step 2: Convert to fraction form
    2,080,447.70/3,120,671.55 = 1,520,575.70/x
  3. Step 3: Cross multiply
    2,080,447.70x = 3,120,671.55 × 1,520,575.70
  4. Step 4: Simplify right side
    2,080,447.70x = 4,745,217,326,611.34
  5. Step 5: Solve for x
    x = 4,745,217,326,611.34/2,080,447.70
  6. Step 6: Final answer
    x = 2,280,863.55

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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.