Home / 2,215,646.88-3,324,030.72-618,209.28

Finding the Fourth Proportional to 2,215,646.88, 3,324,030.72 and 618,209.28

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Solution

The fourth proportional to 2,215,646.88, 3,324,030.72 and 618,209.28 is: 927,470.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215,646.88 : 3,324,030.72 = 618,209.28 : x
  2. Step 2: Convert to fraction form
    2,215,646.88/3,324,030.72 = 618,209.28/x
  3. Step 3: Cross multiply
    2,215,646.88x = 3,324,030.72 × 618,209.28
  4. Step 4: Simplify right side
    2,215,646.88x = 2,054,946,638,109.08
  5. Step 5: Solve for x
    x = 2,054,946,638,109.08/2,215,646.88
  6. Step 6: Final answer
    x = 927,470.28

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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.