Home / 2,642,317.20-3,963,605.40-1,382,605.20

Finding the Fourth Proportional to 2,642,317.20, 3,963,605.40 and 1,382,605.20

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Solution

The fourth proportional to 2,642,317.20, 3,963,605.40 and 1,382,605.20 is: 2,073,975.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642,317.20 : 3,963,605.40 = 1,382,605.20 : x
  2. Step 2: Convert to fraction form
    2,642,317.20/3,963,605.40 = 1,382,605.20/x
  3. Step 3: Cross multiply
    2,642,317.20x = 3,963,605.40 × 1,382,605.20
  4. Step 4: Simplify right side
    2,642,317.20x = 5,480,101,436,788.08
  5. Step 5: Solve for x
    x = 5,480,101,436,788.08/2,642,317.20
  6. Step 6: Final answer
    x = 2,073,975.61

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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.