Home / 2,088,515.22-2,881,892.97-1,272,422.76

Finding the Fourth Proportional to 2,088,515.22, 2,881,892.97 and 1,272,422.76

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Solution

The fourth proportional to 2,088,515.22, 2,881,892.97 and 1,272,422.76 is: 1,755,786.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088,515.22 : 2,881,892.97 = 1,272,422.76 : x
  2. Step 2: Convert to fraction form
    2,088,515.22/2,881,892.97 = 1,272,422.76/x
  3. Step 3: Cross multiply
    2,088,515.22x = 2,881,892.97 × 1,272,422.76
  4. Step 4: Simplify right side
    2,088,515.22x = 3,666,986,206,912.00
  5. Step 5: Solve for x
    x = 3,666,986,206,912.00/2,088,515.22
  6. Step 6: Final answer
    x = 1,755,786.20

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.