Home / 3,078,356.80-4,617,535.20-834,494.80

Finding the Fourth Proportional to 3,078,356.80, 4,617,535.20 and 834,494.80

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Solution

The fourth proportional to 3,078,356.80, 4,617,535.20 and 834,494.80 is: 1,251,742.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,356.80 : 4,617,535.20 = 834,494.80 : x
  2. Step 2: Convert to fraction form
    3,078,356.80/4,617,535.20 = 834,494.80/x
  3. Step 3: Cross multiply
    3,078,356.80x = 4,617,535.20 × 834,494.80
  4. Step 4: Simplify right side
    3,078,356.80x = 3,853,309,113,216.96
  5. Step 5: Solve for x
    x = 3,853,309,113,216.96/3,078,356.80
  6. Step 6: Final answer
    x = 1,251,742.20

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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.