Home / 2,138,831.80-3,202,342.80-1,666,439.80

Finding the Fourth Proportional to 2,138,831.80, 3,202,342.80 and 1,666,439.80

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Solution

The fourth proportional to 2,138,831.80, 3,202,342.80 and 1,666,439.80 is: 2,495,058.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,831.80 : 3,202,342.80 = 1,666,439.80 : x
  2. Step 2: Convert to fraction form
    2,138,831.80/3,202,342.80 = 1,666,439.80/x
  3. Step 3: Cross multiply
    2,138,831.80x = 3,202,342.80 × 1,666,439.80
  4. Step 4: Simplify right side
    2,138,831.80x = 5,336,511,495,163.44
  5. Step 5: Solve for x
    x = 5,336,511,495,163.44/2,138,831.80
  6. Step 6: Final answer
    x = 2,495,058.98

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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.