Home / 2,120,571.52-2,925,273.36-1,260,520

Finding the Fourth Proportional to 2,120,571.52, 2,925,273.36 and 1,260,520

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Solution

The fourth proportional to 2,120,571.52, 2,925,273.36 and 1,260,520 is: 1,738,854.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,571.52 : 2,925,273.36 = 1,260,520 : x
  2. Step 2: Convert to fraction form
    2,120,571.52/2,925,273.36 = 1,260,520/x
  3. Step 3: Cross multiply
    2,120,571.52x = 2,925,273.36 × 1,260,520
  4. Step 4: Simplify right side
    2,120,571.52x = 3,687,365,575,747.20
  5. Step 5: Solve for x
    x = 3,687,365,575,747.20/2,120,571.52
  6. Step 6: Final answer
    x = 1,738,854.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.