Home / 2,122,125.20-3,182,093.40-626,022.80

Finding the Fourth Proportional to 2,122,125.20, 3,182,093.40 and 626,022.80

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Solution

The fourth proportional to 2,122,125.20, 3,182,093.40 and 626,022.80 is: 938,711.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122,125.20 : 3,182,093.40 = 626,022.80 : x
  2. Step 2: Convert to fraction form
    2,122,125.20/3,182,093.40 = 626,022.80/x
  3. Step 3: Cross multiply
    2,122,125.20x = 3,182,093.40 × 626,022.80
  4. Step 4: Simplify right side
    2,122,125.20x = 1,992,063,020,129.52
  5. Step 5: Solve for x
    x = 1,992,063,020,129.52/2,122,125.20
  6. Step 6: Final answer
    x = 938,711.35

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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.