Home / 1,914,883.81-2,642,545.01-1,055,447.48

Finding the Fourth Proportional to 1,914,883.81, 2,642,545.01 and 1,055,447.48

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Solution

The fourth proportional to 1,914,883.81, 2,642,545.01 and 1,055,447.48 is: 1,456,520.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914,883.81 : 2,642,545.01 = 1,055,447.48 : x
  2. Step 2: Convert to fraction form
    1,914,883.81/2,642,545.01 = 1,055,447.48/x
  3. Step 3: Cross multiply
    1,914,883.81x = 2,642,545.01 × 1,055,447.48
  4. Step 4: Simplify right side
    1,914,883.81x = 2,789,067,480,836.06
  5. Step 5: Solve for x
    x = 2,789,067,480,836.06/1,914,883.81
  6. Step 6: Final answer
    x = 1,456,520.48

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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.