Home / 2,080,383.80-3,120,575.70-960,639.80

Finding the Fourth Proportional to 2,080,383.80, 3,120,575.70 and 960,639.80

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Solution

The fourth proportional to 2,080,383.80, 3,120,575.70 and 960,639.80 is: 1,440,959.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,383.80 : 3,120,575.70 = 960,639.80 : x
  2. Step 2: Convert to fraction form
    2,080,383.80/3,120,575.70 = 960,639.80/x
  3. Step 3: Cross multiply
    2,080,383.80x = 3,120,575.70 × 960,639.80
  4. Step 4: Simplify right side
    2,080,383.80x = 2,997,749,216,332.86
  5. Step 5: Solve for x
    x = 2,997,749,216,332.86/2,080,383.80
  6. Step 6: Final answer
    x = 1,440,959.70

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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.