Home / 2,131,130.80-3,196,910.04-614,851.30

Finding the Fourth Proportional to 2,131,130.80, 3,196,910.04 and 614,851.30

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Solution

The fourth proportional to 2,131,130.80, 3,196,910.04 and 614,851.30 is: 922,338.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,130.80 : 3,196,910.04 = 614,851.30 : x
  2. Step 2: Convert to fraction form
    2,131,130.80/3,196,910.04 = 614,851.30/x
  3. Step 3: Cross multiply
    2,131,130.80x = 3,196,910.04 × 614,851.30
  4. Step 4: Simplify right side
    2,131,130.80x = 1,965,624,294,077.05
  5. Step 5: Solve for x
    x = 1,965,624,294,077.05/2,131,130.80
  6. Step 6: Final answer
    x = 922,338.64

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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.