Home / 3,643,171.29-5,027,600.69-1,989,329.89

Finding the Fourth Proportional to 3,643,171.29, 5,027,600.69 and 1,989,329.89

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Solution

The fourth proportional to 3,643,171.29, 5,027,600.69 and 1,989,329.89 is: 2,745,288.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643,171.29 : 5,027,600.69 = 1,989,329.89 : x
  2. Step 2: Convert to fraction form
    3,643,171.29/5,027,600.69 = 1,989,329.89/x
  3. Step 3: Cross multiply
    3,643,171.29x = 5,027,600.69 × 1,989,329.89
  4. Step 4: Simplify right side
    3,643,171.29x = 10,001,556,305,085.97
  5. Step 5: Solve for x
    x = 10,001,556,305,085.97/3,643,171.29
  6. Step 6: Final answer
    x = 2,745,288.52

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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.