Home / 2,239,661.28-3,360,891.60-909,965.28

Finding the Fourth Proportional to 2,239,661.28, 3,360,891.60 and 909,965.28

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Solution

The fourth proportional to 2,239,661.28, 3,360,891.60 and 909,965.28 is: 1,365,516.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239,661.28 : 3,360,891.60 = 909,965.28 : x
  2. Step 2: Convert to fraction form
    2,239,661.28/3,360,891.60 = 909,965.28/x
  3. Step 3: Cross multiply
    2,239,661.28x = 3,360,891.60 × 909,965.28
  4. Step 4: Simplify right side
    2,239,661.28x = 3,058,294,665,843.65
  5. Step 5: Solve for x
    x = 3,058,294,665,843.65/2,239,661.28
  6. Step 6: Final answer
    x = 1,365,516.60

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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.