Home / 3,209,466.32-4,429,517.60-1,986,165.84

Finding the Fourth Proportional to 3,209,466.32, 4,429,517.60 and 1,986,165.84

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Solution

The fourth proportional to 3,209,466.32, 4,429,517.60 and 1,986,165.84 is: 2,741,189.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209,466.32 : 4,429,517.60 = 1,986,165.84 : x
  2. Step 2: Convert to fraction form
    3,209,466.32/4,429,517.60 = 1,986,165.84/x
  3. Step 3: Cross multiply
    3,209,466.32x = 4,429,517.60 × 1,986,165.84
  4. Step 4: Simplify right side
    3,209,466.32x = 8,797,756,534,867.96
  5. Step 5: Solve for x
    x = 8,797,756,534,867.96/3,209,466.32
  6. Step 6: Final answer
    x = 2,741,189.87

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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.