Home / 2,236,806.40-3,354,334.80-816,131.20

Finding the Fourth Proportional to 2,236,806.40, 3,354,334.80 and 816,131.20

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Solution

The fourth proportional to 2,236,806.40, 3,354,334.80 and 816,131.20 is: 1,223,877.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236,806.40 : 3,354,334.80 = 816,131.20 : x
  2. Step 2: Convert to fraction form
    2,236,806.40/3,354,334.80 = 816,131.20/x
  3. Step 3: Cross multiply
    2,236,806.40x = 3,354,334.80 × 816,131.20
  4. Step 4: Simplify right side
    2,236,806.40x = 2,737,577,285,525.76
  5. Step 5: Solve for x
    x = 2,737,577,285,525.76/2,236,806.40
  6. Step 6: Final answer
    x = 1,223,877.62

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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.