Home / 3,171,580.20-4,376,782.89-1,721,275.61

Finding the Fourth Proportional to 3,171,580.20, 4,376,782.89 and 1,721,275.61

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Solution

The fourth proportional to 3,171,580.20, 4,376,782.89 and 1,721,275.61 is: 2,375,361.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,580.20 : 4,376,782.89 = 1,721,275.61 : x
  2. Step 2: Convert to fraction form
    3,171,580.20/4,376,782.89 = 1,721,275.61/x
  3. Step 3: Cross multiply
    3,171,580.20x = 4,376,782.89 × 1,721,275.61
  4. Step 4: Simplify right side
    3,171,580.20x = 7,533,649,616,938.40
  5. Step 5: Solve for x
    x = 7,533,649,616,938.40/3,171,580.20
  6. Step 6: Final answer
    x = 2,375,361.54

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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.