Home / 3,175,773.40-4,763,652.72-1,378,423.84

Finding the Fourth Proportional to 3,175,773.40, 4,763,652.72 and 1,378,423.84

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Solution

The fourth proportional to 3,175,773.40, 4,763,652.72 and 1,378,423.84 is: 2,067,632.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175,773.40 : 4,763,652.72 = 1,378,423.84 : x
  2. Step 2: Convert to fraction form
    3,175,773.40/4,763,652.72 = 1,378,423.84/x
  3. Step 3: Cross multiply
    3,175,773.40x = 4,763,652.72 × 1,378,423.84
  4. Step 4: Simplify right side
    3,175,773.40x = 6,566,332,474,728.85
  5. Step 5: Solve for x
    x = 6,566,332,474,728.85/3,175,773.40
  6. Step 6: Final answer
    x = 2,067,632.56

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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.