Home / 2,298,983.14-3,172,596.78-1,280,387.80

Finding the Fourth Proportional to 2,298,983.14, 3,172,596.78 and 1,280,387.80

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Solution

The fourth proportional to 2,298,983.14, 3,172,596.78 and 1,280,387.80 is: 1,766,935.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,298,983.14 : 3,172,596.78 = 1,280,387.80 : x
  2. Step 2: Convert to fraction form
    2,298,983.14/3,172,596.78 = 1,280,387.80/x
  3. Step 3: Cross multiply
    2,298,983.14x = 3,172,596.78 × 1,280,387.80
  4. Step 4: Simplify right side
    2,298,983.14x = 4,062,154,211,431.28
  5. Step 5: Solve for x
    x = 4,062,154,211,431.28/2,298,983.14
  6. Step 6: Final answer
    x = 1,766,935.19

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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.