Home / 2,395,880.32-3,305,121.24-1,428,328.84

Finding the Fourth Proportional to 2,395,880.32, 3,305,121.24 and 1,428,328.84

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Solution

The fourth proportional to 2,395,880.32, 3,305,121.24 and 1,428,328.84 is: 1,970,382.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,395,880.32 : 3,305,121.24 = 1,428,328.84 : x
  2. Step 2: Convert to fraction form
    2,395,880.32/3,305,121.24 = 1,428,328.84/x
  3. Step 3: Cross multiply
    2,395,880.32x = 3,305,121.24 × 1,428,328.84
  4. Step 4: Simplify right side
    2,395,880.32x = 4,720,799,986,788.56
  5. Step 5: Solve for x
    x = 4,720,799,986,788.56/2,395,880.32
  6. Step 6: Final answer
    x = 1,970,382.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.