Home / 2,080,440.30-3,120,903.45-660,639.90

Finding the Fourth Proportional to 2,080,440.30, 3,120,903.45 and 660,639.90

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Solution

The fourth proportional to 2,080,440.30, 3,120,903.45 and 660,639.90 is: 991,037.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,440.30 : 3,120,903.45 = 660,639.90 : x
  2. Step 2: Convert to fraction form
    2,080,440.30/3,120,903.45 = 660,639.90/x
  3. Step 3: Cross multiply
    2,080,440.30x = 3,120,903.45 × 660,639.90
  4. Step 4: Simplify right side
    2,080,440.30x = 2,061,793,343,117.66
  5. Step 5: Solve for x
    x = 2,061,793,343,117.66/2,080,440.30
  6. Step 6: Final answer
    x = 991,037.01

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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.