Home / 2,379,579.69-3,283,858.13-1,291,850.40

Finding the Fourth Proportional to 2,379,579.69, 3,283,858.13 and 1,291,850.40

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Solution

The fourth proportional to 2,379,579.69, 3,283,858.13 and 1,291,850.40 is: 1,782,774.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379,579.69 : 3,283,858.13 = 1,291,850.40 : x
  2. Step 2: Convert to fraction form
    2,379,579.69/3,283,858.13 = 1,291,850.40/x
  3. Step 3: Cross multiply
    2,379,579.69x = 3,283,858.13 × 1,291,850.40
  4. Step 4: Simplify right side
    2,379,579.69x = 4,242,253,432,324.50
  5. Step 5: Solve for x
    x = 4,242,253,432,324.50/2,379,579.69
  6. Step 6: Final answer
    x = 1,782,774.26

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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.