Home / 2,580,734.60-3,870,851.77-783,633.88

Finding the Fourth Proportional to 2,580,734.60, 3,870,851.77 and 783,633.88

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Solution

The fourth proportional to 2,580,734.60, 3,870,851.77 and 783,633.88 is: 1,175,374.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580,734.60 : 3,870,851.77 = 783,633.88 : x
  2. Step 2: Convert to fraction form
    2,580,734.60/3,870,851.77 = 783,633.88/x
  3. Step 3: Cross multiply
    2,580,734.60x = 3,870,851.77 × 783,633.88
  4. Step 4: Simplify right side
    2,580,734.60x = 3,033,330,573,270.56
  5. Step 5: Solve for x
    x = 3,033,330,573,270.56/2,580,734.60
  6. Step 6: Final answer
    x = 1,175,374.86

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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.