Home / 3,855,155.09-5,320,145.27-2,136,304.31

Finding the Fourth Proportional to 3,855,155.09, 5,320,145.27 and 2,136,304.31

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Solution

The fourth proportional to 3,855,155.09, 5,320,145.27 and 2,136,304.31 is: 2,948,117.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855,155.09 : 5,320,145.27 = 2,136,304.31 : x
  2. Step 2: Convert to fraction form
    3,855,155.09/5,320,145.27 = 2,136,304.31/x
  3. Step 3: Cross multiply
    3,855,155.09x = 5,320,145.27 × 2,136,304.31
  4. Step 4: Simplify right side
    3,855,155.09x = 11,365,449,248,867.15
  5. Step 5: Solve for x
    x = 11,365,449,248,867.15/3,855,155.09
  6. Step 6: Final answer
    x = 2,948,117.26

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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.