Home / 3,640,727.87-5,024,325.15-1,986,965.54

Finding the Fourth Proportional to 3,640,727.87, 5,024,325.15 and 1,986,965.54

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Solution

The fourth proportional to 3,640,727.87, 5,024,325.15 and 1,986,965.54 is: 2,742,078.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640,727.87 : 5,024,325.15 = 1,986,965.54 : x
  2. Step 2: Convert to fraction form
    3,640,727.87/5,024,325.15 = 1,986,965.54/x
  3. Step 3: Cross multiply
    3,640,727.87x = 5,024,325.15 × 1,986,965.54
  4. Step 4: Simplify right side
    3,640,727.87x = 9,983,160,934,805.33
  5. Step 5: Solve for x
    x = 9,983,160,934,805.33/3,640,727.87
  6. Step 6: Final answer
    x = 2,742,078.31

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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.