Home / 1,584,981.09-2,187,273.90-905,932.17

Finding the Fourth Proportional to 1,584,981.09, 2,187,273.90 and 905,932.17

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Solution

The fourth proportional to 1,584,981.09, 2,187,273.90 and 905,932.17 is: 1,250,186.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,584,981.09 : 2,187,273.90 = 905,932.17 : x
  2. Step 2: Convert to fraction form
    1,584,981.09/2,187,273.90 = 905,932.17/x
  3. Step 3: Cross multiply
    1,584,981.09x = 2,187,273.90 × 905,932.17
  4. Step 4: Simplify right side
    1,584,981.09x = 1,981,521,790,611.36
  5. Step 5: Solve for x
    x = 1,981,521,790,611.36/1,584,981.09
  6. Step 6: Final answer
    x = 1,250,186.39

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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.