Home / 2,389,901.80-3,298,022.79-1,302,182.38

Finding the Fourth Proportional to 2,389,901.80, 3,298,022.79 and 1,302,182.38

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Solution

The fourth proportional to 2,389,901.80, 3,298,022.79 and 1,302,182.38 is: 1,796,988.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389,901.80 : 3,298,022.79 = 1,302,182.38 : x
  2. Step 2: Convert to fraction form
    2,389,901.80/3,298,022.79 = 1,302,182.38/x
  3. Step 3: Cross multiply
    2,389,901.80x = 3,298,022.79 × 1,302,182.38
  4. Step 4: Simplify right side
    2,389,901.80x = 4,294,627,165,976.44
  5. Step 5: Solve for x
    x = 4,294,627,165,976.44/2,389,901.80
  6. Step 6: Final answer
    x = 1,796,988.97

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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.