Home / 1,902,291.28-2,625,161.74-1,042,857.61

Finding the Fourth Proportional to 1,902,291.28, 2,625,161.74 and 1,042,857.61

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Solution

The fourth proportional to 1,902,291.28, 2,625,161.74 and 1,042,857.61 is: 1,439,143.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,902,291.28 : 2,625,161.74 = 1,042,857.61 : x
  2. Step 2: Convert to fraction form
    1,902,291.28/2,625,161.74 = 1,042,857.61/x
  3. Step 3: Cross multiply
    1,902,291.28x = 2,625,161.74 × 1,042,857.61
  4. Step 4: Simplify right side
    1,902,291.28x = 2,737,669,898,039.84
  5. Step 5: Solve for x
    x = 2,737,669,898,039.84/1,902,291.28
  6. Step 6: Final answer
    x = 1,439,143.38

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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.