Home / 4,476,579.78-6,715,275.68-1,238,320.33

Finding the Fourth Proportional to 4,476,579.78, 6,715,275.68 and 1,238,320.33

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Solution

The fourth proportional to 4,476,579.78, 6,715,275.68 and 1,238,320.33 is: 1,857,592.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,476,579.78 : 6,715,275.68 = 1,238,320.33 : x
  2. Step 2: Convert to fraction form
    4,476,579.78/6,715,275.68 = 1,238,320.33/x
  3. Step 3: Cross multiply
    4,476,579.78x = 6,715,275.68 × 1,238,320.33
  4. Step 4: Simplify right side
    4,476,579.78x = 8,315,662,389,906.97
  5. Step 5: Solve for x
    x = 8,315,662,389,906.97/4,476,579.78
  6. Step 6: Final answer
    x = 1,857,592.81

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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.