Home / 1,979,497.38-2,970,738.78-1,448,388.66

Finding the Fourth Proportional to 1,979,497.38, 2,970,738.78 and 1,448,388.66

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Solution

The fourth proportional to 1,979,497.38, 2,970,738.78 and 1,448,388.66 is: 2,173,675.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,497.38 : 2,970,738.78 = 1,448,388.66 : x
  2. Step 2: Convert to fraction form
    1,979,497.38/2,970,738.78 = 1,448,388.66/x
  3. Step 3: Cross multiply
    1,979,497.38x = 2,970,738.78 × 1,448,388.66
  4. Step 4: Simplify right side
    1,979,497.38x = 4,302,784,360,774.23
  5. Step 5: Solve for x
    x = 4,302,784,360,774.23/1,979,497.38
  6. Step 6: Final answer
    x = 2,173,675.20

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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.