Home / 1,914,905.24-2,642,537.40-1,055,545.28

Finding the Fourth Proportional to 1,914,905.24, 2,642,537.40 and 1,055,545.28

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Solution

The fourth proportional to 1,914,905.24, 2,642,537.40 and 1,055,545.28 is: 1,456,634.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914,905.24 : 2,642,537.40 = 1,055,545.28 : x
  2. Step 2: Convert to fraction form
    1,914,905.24/2,642,537.40 = 1,055,545.28/x
  3. Step 3: Cross multiply
    1,914,905.24x = 2,642,537.40 × 1,055,545.28
  4. Step 4: Simplify right side
    1,914,905.24x = 2,789,317,879,793.47
  5. Step 5: Solve for x
    x = 2,789,317,879,793.47/1,914,905.24
  6. Step 6: Final answer
    x = 1,456,634.94

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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.