Home / 2,855,456.69-3,940,730.67-1,631,943.19

Finding the Fourth Proportional to 2,855,456.69, 3,940,730.67 and 1,631,943.19

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Solution

The fourth proportional to 2,855,456.69, 3,940,730.67 and 1,631,943.19 is: 2,252,196.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,855,456.69 : 3,940,730.67 = 1,631,943.19 : x
  2. Step 2: Convert to fraction form
    2,855,456.69/3,940,730.67 = 1,631,943.19/x
  3. Step 3: Cross multiply
    2,855,456.69x = 3,940,730.67 × 1,631,943.19
  4. Step 4: Simplify right side
    2,855,456.69x = 6,431,048,580,530.64
  5. Step 5: Solve for x
    x = 6,431,048,580,530.64/2,855,456.69
  6. Step 6: Final answer
    x = 2,252,196.16

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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.