Home / 1,906,021.07-2,856,816.09-707,178.71

Finding the Fourth Proportional to 1,906,021.07, 2,856,816.09 and 707,178.71

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Solution

The fourth proportional to 1,906,021.07, 2,856,816.09 and 707,178.71 is: 1,059,946.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906,021.07 : 2,856,816.09 = 707,178.71 : x
  2. Step 2: Convert to fraction form
    1,906,021.07/2,856,816.09 = 707,178.71/x
  3. Step 3: Cross multiply
    1,906,021.07x = 2,856,816.09 × 707,178.71
  4. Step 4: Simplify right side
    1,906,021.07x = 2,020,279,517,233.44
  5. Step 5: Solve for x
    x = 2,020,279,517,233.44/1,906,021.07
  6. Step 6: Final answer
    x = 1,059,946.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.