Home / 5,189,844.09-7,161,956.32-2,866,896.41

Finding the Fourth Proportional to 5,189,844.09, 7,161,956.32 and 2,866,896.41

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Solution

The fourth proportional to 5,189,844.09, 7,161,956.32 and 2,866,896.41 is: 3,956,301.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189,844.09 : 7,161,956.32 = 2,866,896.41 : x
  2. Step 2: Convert to fraction form
    5,189,844.09/7,161,956.32 = 2,866,896.41/x
  3. Step 3: Cross multiply
    5,189,844.09x = 7,161,956.32 × 2,866,896.41
  4. Step 4: Simplify right side
    5,189,844.09x = 20,532,586,862,384.81
  5. Step 5: Solve for x
    x = 20,532,586,862,384.81/5,189,844.09
  6. Step 6: Final answer
    x = 3,956,301.29

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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.