Home / 2,141,939.46-2,955,688.20-1,223,986.44

Finding the Fourth Proportional to 2,141,939.46, 2,955,688.20 and 1,223,986.44

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Solution

The fourth proportional to 2,141,939.46, 2,955,688.20 and 1,223,986.44 is: 1,688,993.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141,939.46 : 2,955,688.20 = 1,223,986.44 : x
  2. Step 2: Convert to fraction form
    2,141,939.46/2,955,688.20 = 1,223,986.44/x
  3. Step 3: Cross multiply
    2,141,939.46x = 2,955,688.20 × 1,223,986.44
  4. Step 4: Simplify right side
    2,141,939.46x = 3,617,722,277,668.01
  5. Step 5: Solve for x
    x = 3,617,722,277,668.01/2,141,939.46
  6. Step 6: Final answer
    x = 1,688,993.71

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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.