Home / 2,379,044.12-3,283,083.09-1,291,316.58

Finding the Fourth Proportional to 2,379,044.12, 3,283,083.09 and 1,291,316.58

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Solution

The fourth proportional to 2,379,044.12, 3,283,083.09 and 1,291,316.58 is: 1,782,018.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379,044.12 : 3,283,083.09 = 1,291,316.58 : x
  2. Step 2: Convert to fraction form
    2,379,044.12/3,283,083.09 = 1,291,316.58/x
  3. Step 3: Cross multiply
    2,379,044.12x = 3,283,083.09 × 1,291,316.58
  4. Step 4: Simplify right side
    2,379,044.12x = 4,239,499,627,634.63
  5. Step 5: Solve for x
    x = 4,239,499,627,634.63/2,379,044.12
  6. Step 6: Final answer
    x = 1,782,018.08

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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.