Home / 4,128,811.72-6,195,246.54-1,855,942

Finding the Fourth Proportional to 4,128,811.72, 6,195,246.54 and 1,855,942

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Solution

The fourth proportional to 4,128,811.72, 6,195,246.54 and 1,855,942 is: 2,784,825.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128,811.72 : 6,195,246.54 = 1,855,942 : x
  2. Step 2: Convert to fraction form
    4,128,811.72/6,195,246.54 = 1,855,942/x
  3. Step 3: Cross multiply
    4,128,811.72x = 6,195,246.54 × 1,855,942
  4. Step 4: Simplify right side
    4,128,811.72x = 11,498,018,253,940.68
  5. Step 5: Solve for x
    x = 11,498,018,253,940.68/4,128,811.72
  6. Step 6: Final answer
    x = 2,784,825.04

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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.