Home / 3,873,880-5,345,701.68-2,154,939.04

Finding the Fourth Proportional to 3,873,880, 5,345,701.68 and 2,154,939.04

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Solution

The fourth proportional to 3,873,880, 5,345,701.68 and 2,154,939.04 is: 2,973,675.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873,880 : 5,345,701.68 = 2,154,939.04 : x
  2. Step 2: Convert to fraction form
    3,873,880/5,345,701.68 = 2,154,939.04/x
  3. Step 3: Cross multiply
    3,873,880x = 5,345,701.68 × 2,154,939.04
  4. Step 4: Simplify right side
    3,873,880x = 11,519,661,246,425.59
  5. Step 5: Solve for x
    x = 11,519,661,246,425.59/3,873,880
  6. Step 6: Final answer
    x = 2,973,675.29

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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.