Home / 2,818,729.78-3,889,857.57-1,529,570.43

Finding the Fourth Proportional to 2,818,729.78, 3,889,857.57 and 1,529,570.43

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Solution

The fourth proportional to 2,818,729.78, 3,889,857.57 and 1,529,570.43 is: 2,110,812.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818,729.78 : 3,889,857.57 = 1,529,570.43 : x
  2. Step 2: Convert to fraction form
    2,818,729.78/3,889,857.57 = 1,529,570.43/x
  3. Step 3: Cross multiply
    2,818,729.78x = 3,889,857.57 × 1,529,570.43
  4. Step 4: Simplify right side
    2,818,729.78x = 5,949,811,115,983.65
  5. Step 5: Solve for x
    x = 5,949,811,115,983.65/2,818,729.78
  6. Step 6: Final answer
    x = 2,110,812.88

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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.