Home / 2,115,179.08-2,918,981.05-1,148,308.61

Finding the Fourth Proportional to 2,115,179.08, 2,918,981.05 and 1,148,308.61

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Solution

The fourth proportional to 2,115,179.08, 2,918,981.05 and 1,148,308.61 is: 1,584,684.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,179.08 : 2,918,981.05 = 1,148,308.61 : x
  2. Step 2: Convert to fraction form
    2,115,179.08/2,918,981.05 = 1,148,308.61/x
  3. Step 3: Cross multiply
    2,115,179.08x = 2,918,981.05 × 1,148,308.61
  4. Step 4: Simplify right side
    2,115,179.08x = 3,351,891,054,676.16
  5. Step 5: Solve for x
    x = 3,351,891,054,676.16/2,115,179.08
  6. Step 6: Final answer
    x = 1,584,684.29

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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.