Home / 1,898,725.71-2,619,723.32-1,082,631.81

Finding the Fourth Proportional to 1,898,725.71, 2,619,723.32 and 1,082,631.81

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Solution

The fourth proportional to 1,898,725.71, 2,619,723.32 and 1,082,631.81 is: 1,493,736.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,725.71 : 2,619,723.32 = 1,082,631.81 : x
  2. Step 2: Convert to fraction form
    1,898,725.71/2,619,723.32 = 1,082,631.81/x
  3. Step 3: Cross multiply
    1,898,725.71x = 2,619,723.32 × 1,082,631.81
  4. Step 4: Simplify right side
    1,898,725.71x = 2,836,195,794,217.65
  5. Step 5: Solve for x
    x = 2,836,195,794,217.65/1,898,725.71
  6. Step 6: Final answer
    x = 1,493,736.45

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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.