Home / 2,168,563.80-3,250,512.90-820,205.40

Finding the Fourth Proportional to 2,168,563.80, 3,250,512.90 and 820,205.40

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Solution

The fourth proportional to 2,168,563.80, 3,250,512.90 and 820,205.40 is: 1,229,425.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168,563.80 : 3,250,512.90 = 820,205.40 : x
  2. Step 2: Convert to fraction form
    2,168,563.80/3,250,512.90 = 820,205.40/x
  3. Step 3: Cross multiply
    2,168,563.80x = 3,250,512.90 × 820,205.40
  4. Step 4: Simplify right side
    2,168,563.80x = 2,666,088,233,349.66
  5. Step 5: Solve for x
    x = 2,666,088,233,349.66/2,168,563.80
  6. Step 6: Final answer
    x = 1,229,425.78

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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.