Home / 2,148,178.25-2,972,292.36-1,873,109.29

Finding the Fourth Proportional to 2,148,178.25, 2,972,292.36 and 1,873,109.29

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Solution

The fourth proportional to 2,148,178.25, 2,972,292.36 and 1,873,109.29 is: 2,591,697.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,178.25 : 2,972,292.36 = 1,873,109.29 : x
  2. Step 2: Convert to fraction form
    2,148,178.25/2,972,292.36 = 1,873,109.29/x
  3. Step 3: Cross multiply
    2,148,178.25x = 2,972,292.36 × 1,873,109.29
  4. Step 4: Simplify right side
    2,148,178.25x = 5,567,428,412,084.09
  5. Step 5: Solve for x
    x = 5,567,428,412,084.09/2,148,178.25
  6. Step 6: Final answer
    x = 2,591,697.60

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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.