Home / 2,806,696.38-3,872,509.05-1,644,518.23

Finding the Fourth Proportional to 2,806,696.38, 3,872,509.05 and 1,644,518.23

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Solution

The fourth proportional to 2,806,696.38, 3,872,509.05 and 1,644,518.23 is: 2,269,006.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,806,696.38 : 3,872,509.05 = 1,644,518.23 : x
  2. Step 2: Convert to fraction form
    2,806,696.38/3,872,509.05 = 1,644,518.23/x
  3. Step 3: Cross multiply
    2,806,696.38x = 3,872,509.05 × 1,644,518.23
  4. Step 4: Simplify right side
    2,806,696.38x = 6,368,411,728,564.98
  5. Step 5: Solve for x
    x = 6,368,411,728,564.98/2,806,696.38
  6. Step 6: Final answer
    x = 2,269,006.29

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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.