Home / 2,080,047.12-3,120,206.76-640,554

Finding the Fourth Proportional to 2,080,047.12, 3,120,206.76 and 640,554

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Solution

The fourth proportional to 2,080,047.12, 3,120,206.76 and 640,554 is: 960,872.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,047.12 : 3,120,206.76 = 640,554 : x
  2. Step 2: Convert to fraction form
    2,080,047.12/3,120,206.76 = 640,554/x
  3. Step 3: Cross multiply
    2,080,047.12x = 3,120,206.76 × 640,554
  4. Step 4: Simplify right side
    2,080,047.12x = 1,998,660,920,945.04
  5. Step 5: Solve for x
    x = 1,998,660,920,945.04/2,080,047.12
  6. Step 6: Final answer
    x = 960,872.91

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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.