Home / 2,521,093.20-3,781,985.40-838,021.20

Finding the Fourth Proportional to 2,521,093.20, 3,781,985.40 and 838,021.20

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Solution

The fourth proportional to 2,521,093.20, 3,781,985.40 and 838,021.20 is: 1,257,146.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,521,093.20 : 3,781,985.40 = 838,021.20 : x
  2. Step 2: Convert to fraction form
    2,521,093.20/3,781,985.40 = 838,021.20/x
  3. Step 3: Cross multiply
    2,521,093.20x = 3,781,985.40 × 838,021.20
  4. Step 4: Simplify right side
    2,521,093.20x = 3,169,383,943,290.48
  5. Step 5: Solve for x
    x = 3,169,383,943,290.48/2,521,093.20
  6. Step 6: Final answer
    x = 1,257,146.68

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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.