Home / 3,120,835.32-4,679,923.74-1,226,247.78

Finding the Fourth Proportional to 3,120,835.32, 4,679,923.74 and 1,226,247.78

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Solution

The fourth proportional to 3,120,835.32, 4,679,923.74 and 1,226,247.78 is: 1,838,849.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,835.32 : 4,679,923.74 = 1,226,247.78 : x
  2. Step 2: Convert to fraction form
    3,120,835.32/4,679,923.74 = 1,226,247.78/x
  3. Step 3: Cross multiply
    3,120,835.32x = 4,679,923.74 × 1,226,247.78
  4. Step 4: Simplify right side
    3,120,835.32x = 5,738,746,096,744.30
  5. Step 5: Solve for x
    x = 5,738,746,096,744.30/3,120,835.32
  6. Step 6: Final answer
    x = 1,838,849.38

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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.