Home / 2,088,868.12-3,133,520.34-890,917

Finding the Fourth Proportional to 2,088,868.12, 3,133,520.34 and 890,917

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Solution

The fourth proportional to 2,088,868.12, 3,133,520.34 and 890,917 is: 1,336,468.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088,868.12 : 3,133,520.34 = 890,917 : x
  2. Step 2: Convert to fraction form
    2,088,868.12/3,133,520.34 = 890,917/x
  3. Step 3: Cross multiply
    2,088,868.12x = 3,133,520.34 × 890,917
  4. Step 4: Simplify right side
    2,088,868.12x = 2,791,706,540,751.78
  5. Step 5: Solve for x
    x = 2,791,706,540,751.78/2,088,868.12
  6. Step 6: Final answer
    x = 1,336,468.55

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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.