Home / 2,131,131.80-3,196,911.54-614,852.30

Finding the Fourth Proportional to 2,131,131.80, 3,196,911.54 and 614,852.30

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Solution

The fourth proportional to 2,131,131.80, 3,196,911.54 and 614,852.30 is: 922,340.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,131.80 : 3,196,911.54 = 614,852.30 : x
  2. Step 2: Convert to fraction form
    2,131,131.80/3,196,911.54 = 614,852.30/x
  3. Step 3: Cross multiply
    2,131,131.80x = 3,196,911.54 × 614,852.30
  4. Step 4: Simplify right side
    2,131,131.80x = 1,965,628,413,265.54
  5. Step 5: Solve for x
    x = 1,965,628,413,265.54/2,131,131.80
  6. Step 6: Final answer
    x = 922,340.14

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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.