Home / 1,908,857.14-2,863,136.87-1,109,628.92

Finding the Fourth Proportional to 1,908,857.14, 2,863,136.87 and 1,109,628.92

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Solution

The fourth proportional to 1,908,857.14, 2,863,136.87 and 1,109,628.92 is: 1,664,356.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,857.14 : 2,863,136.87 = 1,109,628.92 : x
  2. Step 2: Convert to fraction form
    1,908,857.14/2,863,136.87 = 1,109,628.92/x
  3. Step 3: Cross multiply
    1,908,857.14x = 2,863,136.87 × 1,109,628.92
  4. Step 4: Simplify right side
    1,908,857.14x = 3,177,019,478,641.09
  5. Step 5: Solve for x
    x = 3,177,019,478,641.09/1,908,857.14
  6. Step 6: Final answer
    x = 1,664,356.86

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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.