Home / 1,914,892.68-2,642,557.26-1,055,456.36

Finding the Fourth Proportional to 1,914,892.68, 2,642,557.26 and 1,055,456.36

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Solution

The fourth proportional to 1,914,892.68, 2,642,557.26 and 1,055,456.36 is: 1,456,532.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914,892.68 : 2,642,557.26 = 1,055,456.36 : x
  2. Step 2: Convert to fraction form
    1,914,892.68/2,642,557.26 = 1,055,456.36/x
  3. Step 3: Cross multiply
    1,914,892.68x = 2,642,557.26 × 1,055,456.36
  4. Step 4: Simplify right side
    1,914,892.68x = 2,789,103,866,731.17
  5. Step 5: Solve for x
    x = 2,789,103,866,731.17/1,914,892.68
  6. Step 6: Final answer
    x = 1,456,532.73

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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.