Home / 2,120,827.64-3,177,227.55-1,253,666.41

Finding the Fourth Proportional to 2,120,827.64, 3,177,227.55 and 1,253,666.41

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Solution

The fourth proportional to 2,120,827.64, 3,177,227.55 and 1,253,666.41 is: 1,878,126.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,827.64 : 3,177,227.55 = 1,253,666.41 : x
  2. Step 2: Convert to fraction form
    2,120,827.64/3,177,227.55 = 1,253,666.41/x
  3. Step 3: Cross multiply
    2,120,827.64x = 3,177,227.55 × 1,253,666.41
  4. Step 4: Simplify right side
    2,120,827.64x = 3,983,183,453,119.78
  5. Step 5: Solve for x
    x = 3,983,183,453,119.78/2,120,827.64
  6. Step 6: Final answer
    x = 1,878,126.91

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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.