Home / 2,990,180.88-4,480,678.56-2,029,387.92

Finding the Fourth Proportional to 2,990,180.88, 4,480,678.56 and 2,029,387.92

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Solution

The fourth proportional to 2,990,180.88, 4,480,678.56 and 2,029,387.92 is: 3,040,964.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,180.88 : 4,480,678.56 = 2,029,387.92 : x
  2. Step 2: Convert to fraction form
    2,990,180.88/4,480,678.56 = 2,029,387.92/x
  3. Step 3: Cross multiply
    2,990,180.88x = 4,480,678.56 × 2,029,387.92
  4. Step 4: Simplify right side
    2,990,180.88x = 9,093,034,943,066.99
  5. Step 5: Solve for x
    x = 9,093,034,943,066.99/2,990,180.88
  6. Step 6: Final answer
    x = 3,040,964.85

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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.