Home / 2,087,368.80-3,131,344.80-889,281.60

Finding the Fourth Proportional to 2,087,368.80, 3,131,344.80 and 889,281.60

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Solution

The fourth proportional to 2,087,368.80, 3,131,344.80 and 889,281.60 is: 1,334,046.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,368.80 : 3,131,344.80 = 889,281.60 : x
  2. Step 2: Convert to fraction form
    2,087,368.80/3,131,344.80 = 889,281.60/x
  3. Step 3: Cross multiply
    2,087,368.80x = 3,131,344.80 × 889,281.60
  4. Step 4: Simplify right side
    2,087,368.80x = 2,784,647,313,895.68
  5. Step 5: Solve for x
    x = 2,784,647,313,895.68/2,087,368.80
  6. Step 6: Final answer
    x = 1,334,046.63

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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.