Home / 2,087,831.80-3,132,039.30-889,744.60

Finding the Fourth Proportional to 2,087,831.80, 3,132,039.30 and 889,744.60

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Solution

The fourth proportional to 2,087,831.80, 3,132,039.30 and 889,744.60 is: 1,334,741.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,831.80 : 3,132,039.30 = 889,744.60 : x
  2. Step 2: Convert to fraction form
    2,087,831.80/3,132,039.30 = 889,744.60/x
  3. Step 3: Cross multiply
    2,087,831.80x = 3,132,039.30 × 889,744.60
  4. Step 4: Simplify right side
    2,087,831.80x = 2,786,715,054,162.78
  5. Step 5: Solve for x
    x = 2,786,715,054,162.78/2,087,831.80
  6. Step 6: Final answer
    x = 1,334,741.17

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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.