Home / 2,112,378.62-2,915,083.31-1,145,508.66

Finding the Fourth Proportional to 2,112,378.62, 2,915,083.31 and 1,145,508.66

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Solution

The fourth proportional to 2,112,378.62, 2,915,083.31 and 1,145,508.66 is: 1,580,802.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112,378.62 : 2,915,083.31 = 1,145,508.66 : x
  2. Step 2: Convert to fraction form
    2,112,378.62/2,915,083.31 = 1,145,508.66/x
  3. Step 3: Cross multiply
    2,112,378.62x = 2,915,083.31 × 1,145,508.66
  4. Step 4: Simplify right side
    2,112,378.62x = 3,339,253,176,226.46
  5. Step 5: Solve for x
    x = 3,339,253,176,226.46/2,112,378.62
  6. Step 6: Final answer
    x = 1,580,802.39

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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.