Home / 3,992,948.40-5,989,422.60-1,867,184.40

Finding the Fourth Proportional to 3,992,948.40, 5,989,422.60 and 1,867,184.40

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Solution

The fourth proportional to 3,992,948.40, 5,989,422.60 and 1,867,184.40 is: 2,800,776.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992,948.40 : 5,989,422.60 = 1,867,184.40 : x
  2. Step 2: Convert to fraction form
    3,992,948.40/5,989,422.60 = 1,867,184.40/x
  3. Step 3: Cross multiply
    3,992,948.40x = 5,989,422.60 × 1,867,184.40
  4. Step 4: Simplify right side
    3,992,948.40x = 11,183,356,443,727.44
  5. Step 5: Solve for x
    x = 11,183,356,443,727.44/3,992,948.40
  6. Step 6: Final answer
    x = 2,800,776.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.