Home / 3,855,177.32-5,320,176.39-2,136,326.54

Finding the Fourth Proportional to 3,855,177.32, 5,320,176.39 and 2,136,326.54

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Solution

The fourth proportional to 3,855,177.32, 5,320,176.39 and 2,136,326.54 is: 2,948,148.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855,177.32 : 5,320,176.39 = 2,136,326.54 : x
  2. Step 2: Convert to fraction form
    3,855,177.32/5,320,176.39 = 2,136,326.54/x
  3. Step 3: Cross multiply
    3,855,177.32x = 5,320,176.39 × 2,136,326.54
  4. Step 4: Simplify right side
    3,855,177.32x = 11,365,633,992,837.51
  5. Step 5: Solve for x
    x = 11,365,633,992,837.51/3,855,177.32
  6. Step 6: Final answer
    x = 2,948,148.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.