Home / 3,278,506.77-4,914,782.91-1,147,428.36

Finding the Fourth Proportional to 3,278,506.77, 4,914,782.91 and 1,147,428.36

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Solution

The fourth proportional to 3,278,506.77, 4,914,782.91 and 1,147,428.36 is: 1,720,100.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278,506.77 : 4,914,782.91 = 1,147,428.36 : x
  2. Step 2: Convert to fraction form
    3,278,506.77/4,914,782.91 = 1,147,428.36/x
  3. Step 3: Cross multiply
    3,278,506.77x = 4,914,782.91 × 1,147,428.36
  4. Step 4: Simplify right side
    3,278,506.77x = 5,639,361,294,177.33
  5. Step 5: Solve for x
    x = 5,639,361,294,177.33/3,278,506.77
  6. Step 6: Final answer
    x = 1,720,100.55

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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.