Home / 5,080,884.34-7,619,721.10-1,668,608.68

Finding the Fourth Proportional to 5,080,884.34, 7,619,721.10 and 1,668,608.68

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Solution

The fourth proportional to 5,080,884.34, 7,619,721.10 and 1,668,608.68 is: 2,502,385.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080,884.34 : 7,619,721.10 = 1,668,608.68 : x
  2. Step 2: Convert to fraction form
    5,080,884.34/7,619,721.10 = 1,668,608.68/x
  3. Step 3: Cross multiply
    5,080,884.34x = 7,619,721.10 × 1,668,608.68
  4. Step 4: Simplify right side
    5,080,884.34x = 12,714,332,766,639.15
  5. Step 5: Solve for x
    x = 12,714,332,766,639.15/5,080,884.34
  6. Step 6: Final answer
    x = 2,502,385.79

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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.