Home / 2,930,626.40-4,395,939.60-2,080,320.80

Finding the Fourth Proportional to 2,930,626.40, 4,395,939.60 and 2,080,320.80

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Solution

The fourth proportional to 2,930,626.40, 4,395,939.60 and 2,080,320.80 is: 3,120,481.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930,626.40 : 4,395,939.60 = 2,080,320.80 : x
  2. Step 2: Convert to fraction form
    2,930,626.40/4,395,939.60 = 2,080,320.80/x
  3. Step 3: Cross multiply
    2,930,626.40x = 4,395,939.60 × 2,080,320.80
  4. Step 4: Simplify right side
    2,930,626.40x = 9,144,964,585,423.68
  5. Step 5: Solve for x
    x = 9,144,964,585,423.68/2,930,626.40
  6. Step 6: Final answer
    x = 3,120,481.20

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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.