Home / 2,147,482-2,963,449.62-1,180,605.28

Finding the Fourth Proportional to 2,147,482, 2,963,449.62 and 1,180,605.28

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Solution

The fourth proportional to 2,147,482, 2,963,449.62 and 1,180,605.28 is: 1,629,193.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,482 : 2,963,449.62 = 1,180,605.28 : x
  2. Step 2: Convert to fraction form
    2,147,482/2,963,449.62 = 1,180,605.28/x
  3. Step 3: Cross multiply
    2,147,482x = 2,963,449.62 × 1,180,605.28
  4. Step 4: Simplify right side
    2,147,482x = 3,498,664,268,385.99
  5. Step 5: Solve for x
    x = 3,498,664,268,385.99/2,147,482
  6. Step 6: Final answer
    x = 1,629,193.76

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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.