Home / 3,231,987.47-4,460,172.79-1,781,734.80

Finding the Fourth Proportional to 3,231,987.47, 4,460,172.79 and 1,781,734.80

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Solution

The fourth proportional to 3,231,987.47, 4,460,172.79 and 1,781,734.80 is: 2,458,810.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231,987.47 : 4,460,172.79 = 1,781,734.80 : x
  2. Step 2: Convert to fraction form
    3,231,987.47/4,460,172.79 = 1,781,734.80/x
  3. Step 3: Cross multiply
    3,231,987.47x = 4,460,172.79 × 1,781,734.80
  4. Step 4: Simplify right side
    3,231,987.47x = 7,946,845,079,531.31
  5. Step 5: Solve for x
    x = 7,946,845,079,531.31/3,231,987.47
  6. Step 6: Final answer
    x = 2,458,810.61

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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.