Home / 2,979,104.61-4,467,991.91-1,381,460.11

Finding the Fourth Proportional to 2,979,104.61, 4,467,991.91 and 1,381,460.11

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Solution

The fourth proportional to 2,979,104.61, 4,467,991.91 and 1,381,460.11 is: 2,071,881.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979,104.61 : 4,467,991.91 = 1,381,460.11 : x
  2. Step 2: Convert to fraction form
    2,979,104.61/4,467,991.91 = 1,381,460.11/x
  3. Step 3: Cross multiply
    2,979,104.61x = 4,467,991.91 × 1,381,460.11
  4. Step 4: Simplify right side
    2,979,104.61x = 6,172,352,577,390.43
  5. Step 5: Solve for x
    x = 6,172,352,577,390.43/2,979,104.61
  6. Step 6: Final answer
    x = 2,071,881.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.