Home / 1,972,425.18-2,721,920.28-1,101,273.25

Finding the Fourth Proportional to 1,972,425.18, 2,721,920.28 and 1,101,273.25

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Solution

The fourth proportional to 1,972,425.18, 2,721,920.28 and 1,101,273.25 is: 1,519,742.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,425.18 : 2,721,920.28 = 1,101,273.25 : x
  2. Step 2: Convert to fraction form
    1,972,425.18/2,721,920.28 = 1,101,273.25/x
  3. Step 3: Cross multiply
    1,972,425.18x = 2,721,920.28 × 1,101,273.25
  4. Step 4: Simplify right side
    1,972,425.18x = 2,997,577,992,996.51
  5. Step 5: Solve for x
    x = 2,997,577,992,996.51/1,972,425.18
  6. Step 6: Final answer
    x = 1,519,742.31

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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.