Home / 2,114,623.76-3,171,935.63-517,167.88

Finding the Fourth Proportional to 2,114,623.76, 3,171,935.63 and 517,167.88

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Solution

The fourth proportional to 2,114,623.76, 3,171,935.63 and 517,167.88 is: 775,751.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114,623.76 : 3,171,935.63 = 517,167.88 : x
  2. Step 2: Convert to fraction form
    2,114,623.76/3,171,935.63 = 517,167.88/x
  3. Step 3: Cross multiply
    2,114,623.76x = 3,171,935.63 × 517,167.88
  4. Step 4: Simplify right side
    2,114,623.76x = 1,640,423,218,626.65
  5. Step 5: Solve for x
    x = 1,640,423,218,626.65/2,114,623.76
  6. Step 6: Final answer
    x = 775,751.82

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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.