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Finding the Fourth Proportional to 2,869,883.66, 4,305,073.08 and 739,949.78

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Solution

The fourth proportional to 2,869,883.66, 4,305,073.08 and 739,949.78 is: 1,109,988.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869,883.66 : 4,305,073.08 = 739,949.78 : x
  2. Step 2: Convert to fraction form
    2,869,883.66/4,305,073.08 = 739,949.78/x
  3. Step 3: Cross multiply
    2,869,883.66x = 4,305,073.08 × 739,949.78
  4. Step 4: Simplify right side
    2,869,883.66x = 3,185,537,878,429.92
  5. Step 5: Solve for x
    x = 3,185,537,878,429.92/2,869,883.66
  6. Step 6: Final answer
    x = 1,109,988.51

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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.