Home / 1,972,091.27-2,721,488.57-1,112,731.49

Finding the Fourth Proportional to 1,972,091.27, 2,721,488.57 and 1,112,731.49

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Solution

The fourth proportional to 1,972,091.27, 2,721,488.57 and 1,112,731.49 is: 1,535,570.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,091.27 : 2,721,488.57 = 1,112,731.49 : x
  2. Step 2: Convert to fraction form
    1,972,091.27/2,721,488.57 = 1,112,731.49/x
  3. Step 3: Cross multiply
    1,972,091.27x = 2,721,488.57 × 1,112,731.49
  4. Step 4: Simplify right side
    1,972,091.27x = 3,028,286,031,514.07
  5. Step 5: Solve for x
    x = 3,028,286,031,514.07/1,972,091.27
  6. Step 6: Final answer
    x = 1,535,570.93

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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.