Home / 3,110,989.31-4,292,706.48-1,804,185.53

Finding the Fourth Proportional to 3,110,989.31, 4,292,706.48 and 1,804,185.53

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Solution

The fourth proportional to 3,110,989.31, 4,292,706.48 and 1,804,185.53 is: 2,489,509.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110,989.31 : 4,292,706.48 = 1,804,185.53 : x
  2. Step 2: Convert to fraction form
    3,110,989.31/4,292,706.48 = 1,804,185.53/x
  3. Step 3: Cross multiply
    3,110,989.31x = 4,292,706.48 × 1,804,185.53
  4. Step 4: Simplify right side
    3,110,989.31x = 7,744,838,915,753.24
  5. Step 5: Solve for x
    x = 7,744,838,915,753.24/3,110,989.31
  6. Step 6: Final answer
    x = 2,489,509.97

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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.