Home / 2,641,546.80-3,962,320.20-1,379,080.80

Finding the Fourth Proportional to 2,641,546.80, 3,962,320.20 and 1,379,080.80

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Solution

The fourth proportional to 2,641,546.80, 3,962,320.20 and 1,379,080.80 is: 2,068,621.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,641,546.80 : 3,962,320.20 = 1,379,080.80 : x
  2. Step 2: Convert to fraction form
    2,641,546.80/3,962,320.20 = 1,379,080.80/x
  3. Step 3: Cross multiply
    2,641,546.80x = 3,962,320.20 × 1,379,080.80
  4. Step 4: Simplify right side
    2,641,546.80x = 5,464,359,711,272.16
  5. Step 5: Solve for x
    x = 5,464,359,711,272.16/2,641,546.80
  6. Step 6: Final answer
    x = 2,068,621.20

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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.