Home / 3,855,237.88-5,320,094.43-2,136,518.32

Finding the Fourth Proportional to 3,855,237.88, 5,320,094.43 and 2,136,518.32

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Solution

The fourth proportional to 3,855,237.88, 5,320,094.43 and 2,136,518.32 is: 2,948,321.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855,237.88 : 5,320,094.43 = 2,136,518.32 : x
  2. Step 2: Convert to fraction form
    3,855,237.88/5,320,094.43 = 2,136,518.32/x
  3. Step 3: Cross multiply
    3,855,237.88x = 5,320,094.43 × 2,136,518.32
  4. Step 4: Simplify right side
    3,855,237.88x = 11,366,479,213,824.96
  5. Step 5: Solve for x
    x = 11,366,479,213,824.96/3,855,237.88
  6. Step 6: Final answer
    x = 2,948,321.11

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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.