Home / 3,480,965.24-5,222,516.85-1,661,651.72

Finding the Fourth Proportional to 3,480,965.24, 5,222,516.85 and 1,661,651.72

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Solution

The fourth proportional to 3,480,965.24, 5,222,516.85 and 1,661,651.72 is: 2,492,987.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480,965.24 : 5,222,516.85 = 1,661,651.72 : x
  2. Step 2: Convert to fraction form
    3,480,965.24/5,222,516.85 = 1,661,651.72/x
  3. Step 3: Cross multiply
    3,480,965.24x = 5,222,516.85 × 1,661,651.72
  4. Step 4: Simplify right side
    3,480,965.24x = 8,678,004,106,531.48
  5. Step 5: Solve for x
    x = 8,678,004,106,531.48/3,480,965.24
  6. Step 6: Final answer
    x = 2,492,987.87

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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.