Home / 2,889,893.63-3,986,541.19-1,786,972.43

Finding the Fourth Proportional to 2,889,893.63, 3,986,541.19 and 1,786,972.43

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Solution

The fourth proportional to 2,889,893.63, 3,986,541.19 and 1,786,972.43 is: 2,465,086.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889,893.63 : 3,986,541.19 = 1,786,972.43 : x
  2. Step 2: Convert to fraction form
    2,889,893.63/3,986,541.19 = 1,786,972.43/x
  3. Step 3: Cross multiply
    2,889,893.63x = 3,986,541.19 × 1,786,972.43
  4. Step 4: Simplify right side
    2,889,893.63x = 7,123,839,197,589.39
  5. Step 5: Solve for x
    x = 7,123,839,197,589.39/2,889,893.63
  6. Step 6: Final answer
    x = 2,465,086.99

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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.