Home / 1,915,036.82-2,642,869.05-1,055,595.14

Finding the Fourth Proportional to 1,915,036.82, 2,642,869.05 and 1,055,595.14

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Solution

The fourth proportional to 1,915,036.82, 2,642,869.05 and 1,055,595.14 is: 1,456,786.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,036.82 : 2,642,869.05 = 1,055,595.14 : x
  2. Step 2: Convert to fraction form
    1,915,036.82/2,642,869.05 = 1,055,595.14/x
  3. Step 3: Cross multiply
    1,915,036.82x = 2,642,869.05 × 1,055,595.14
  4. Step 4: Simplify right side
    1,915,036.82x = 2,789,799,724,836.42
  5. Step 5: Solve for x
    x = 2,789,799,724,836.42/1,915,036.82
  6. Step 6: Final answer
    x = 1,456,786.47

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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.