Home / 2,728,882.91-3,763,009.31-1,902,916.80

Finding the Fourth Proportional to 2,728,882.91, 3,763,009.31 and 1,902,916.80

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Solution

The fourth proportional to 2,728,882.91, 3,763,009.31 and 1,902,916.80 is: 2,624,038.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728,882.91 : 3,763,009.31 = 1,902,916.80 : x
  2. Step 2: Convert to fraction form
    2,728,882.91/3,763,009.31 = 1,902,916.80/x
  3. Step 3: Cross multiply
    2,728,882.91x = 3,763,009.31 × 1,902,916.80
  4. Step 4: Simplify right side
    2,728,882.91x = 7,160,693,625,040.82
  5. Step 5: Solve for x
    x = 7,160,693,625,040.82/2,728,882.91
  6. Step 6: Final answer
    x = 2,624,038.43

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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.