Home / 7,720,144.76-11,580,315.69-2,040,320

Finding the Fourth Proportional to 7,720,144.76, 11,580,315.69 and 2,040,320

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Solution

The fourth proportional to 7,720,144.76, 11,580,315.69 and 2,040,320 is: 3,060,506.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,720,144.76 : 11,580,315.69 = 2,040,320 : x
  2. Step 2: Convert to fraction form
    7,720,144.76/11,580,315.69 = 2,040,320/x
  3. Step 3: Cross multiply
    7,720,144.76x = 11,580,315.69 × 2,040,320
  4. Step 4: Simplify right side
    7,720,144.76x = 23,627,549,708,620.80
  5. Step 5: Solve for x
    x = 23,627,549,708,620.80/7,720,144.76
  6. Step 6: Final answer
    x = 3,060,506.05

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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.