Home / 2,226,321.22-3,072,329.16-1,207,725.97

Finding the Fourth Proportional to 2,226,321.22, 3,072,329.16 and 1,207,725.97

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Solution

The fourth proportional to 2,226,321.22, 3,072,329.16 and 1,207,725.97 is: 1,666,665.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226,321.22 : 3,072,329.16 = 1,207,725.97 : x
  2. Step 2: Convert to fraction form
    2,226,321.22/3,072,329.16 = 1,207,725.97/x
  3. Step 3: Cross multiply
    2,226,321.22x = 3,072,329.16 × 1,207,725.97
  4. Step 4: Simplify right side
    2,226,321.22x = 3,710,531,714,920.29
  5. Step 5: Solve for x
    x = 3,710,531,714,920.29/2,226,321.22
  6. Step 6: Final answer
    x = 1,666,665.03

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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.