Home / 3,885,805.10-5,362,279.89-2,143,544.11

Finding the Fourth Proportional to 3,885,805.10, 5,362,279.89 and 2,143,544.11

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Solution

The fourth proportional to 3,885,805.10, 5,362,279.89 and 2,143,544.11 is: 2,958,018.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885,805.10 : 5,362,279.89 = 2,143,544.11 : x
  2. Step 2: Convert to fraction form
    3,885,805.10/5,362,279.89 = 2,143,544.11/x
  3. Step 3: Cross multiply
    3,885,805.10x = 5,362,279.89 × 2,143,544.11
  4. Step 4: Simplify right side
    3,885,805.10x = 11,494,283,452,936.96
  5. Step 5: Solve for x
    x = 11,494,283,452,936.96/3,885,805.10
  6. Step 6: Final answer
    x = 2,958,018.52

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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.