Home / 7,720,143.76-11,580,314.19-2,040,319

Finding the Fourth Proportional to 7,720,143.76, 11,580,314.19 and 2,040,319

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Solution

The fourth proportional to 7,720,143.76, 11,580,314.19 and 2,040,319 is: 3,060,504.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,720,143.76 : 11,580,314.19 = 2,040,319 : x
  2. Step 2: Convert to fraction form
    7,720,143.76/11,580,314.19 = 2,040,319/x
  3. Step 3: Cross multiply
    7,720,143.76x = 11,580,314.19 × 2,040,319
  4. Step 4: Simplify right side
    7,720,143.76x = 23,627,535,067,826.61
  5. Step 5: Solve for x
    x = 23,627,535,067,826.61/7,720,143.76
  6. Step 6: Final answer
    x = 3,060,504.55

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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.