Home / 2,087,713.80-3,131,862.30-889,626.60

Finding the Fourth Proportional to 2,087,713.80, 3,131,862.30 and 889,626.60

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Solution

The fourth proportional to 2,087,713.80, 3,131,862.30 and 889,626.60 is: 1,334,564.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,713.80 : 3,131,862.30 = 889,626.60 : x
  2. Step 2: Convert to fraction form
    2,087,713.80/3,131,862.30 = 889,626.60/x
  3. Step 3: Cross multiply
    2,087,713.80x = 3,131,862.30 × 889,626.60
  4. Step 4: Simplify right side
    2,087,713.80x = 2,786,188,009,617.18
  5. Step 5: Solve for x
    x = 2,786,188,009,617.18/2,087,713.80
  6. Step 6: Final answer
    x = 1,334,564.16

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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.