Home / 3,078,131.28-4,617,196.92-834,269.28

Finding the Fourth Proportional to 3,078,131.28, 4,617,196.92 and 834,269.28

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Solution

The fourth proportional to 3,078,131.28, 4,617,196.92 and 834,269.28 is: 1,251,403.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,131.28 : 4,617,196.92 = 834,269.28 : x
  2. Step 2: Convert to fraction form
    3,078,131.28/4,617,196.92 = 834,269.28/x
  3. Step 3: Cross multiply
    3,078,131.28x = 4,617,196.92 × 834,269.28
  4. Step 4: Simplify right side
    3,078,131.28x = 3,851,985,550,066.62
  5. Step 5: Solve for x
    x = 3,851,985,550,066.62/3,078,131.28
  6. Step 6: Final answer
    x = 1,251,403.92

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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.