Home / 1,620,519.43-2,229,862.75-1,571,213.51

Finding the Fourth Proportional to 1,620,519.43, 2,229,862.75 and 1,571,213.51

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Solution

The fourth proportional to 1,620,519.43, 2,229,862.75 and 1,571,213.51 is: 2,162,016.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,519.43 : 2,229,862.75 = 1,571,213.51 : x
  2. Step 2: Convert to fraction form
    1,620,519.43/2,229,862.75 = 1,571,213.51/x
  3. Step 3: Cross multiply
    1,620,519.43x = 2,229,862.75 × 1,571,213.51
  4. Step 4: Simplify right side
    1,620,519.43x = 3,503,590,480,190.00
  5. Step 5: Solve for x
    x = 3,503,590,480,190.00/1,620,519.43
  6. Step 6: Final answer
    x = 2,162,016.96

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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.