Home / 2,728,806.30-4,093,209.45-1,931,644.80

Finding the Fourth Proportional to 2,728,806.30, 4,093,209.45 and 1,931,644.80

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Solution

The fourth proportional to 2,728,806.30, 4,093,209.45 and 1,931,644.80 is: 2,897,467.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728,806.30 : 4,093,209.45 = 1,931,644.80 : x
  2. Step 2: Convert to fraction form
    2,728,806.30/4,093,209.45 = 1,931,644.80/x
  3. Step 3: Cross multiply
    2,728,806.30x = 4,093,209.45 × 1,931,644.80
  4. Step 4: Simplify right side
    2,728,806.30x = 7,906,626,749,403.36
  5. Step 5: Solve for x
    x = 7,906,626,749,403.36/2,728,806.30
  6. Step 6: Final answer
    x = 2,897,467.20

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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.