Home / 2,576,578.91-3,557,059.33-1,986,589.76

Finding the Fourth Proportional to 2,576,578.91, 3,557,059.33 and 1,986,589.76

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Solution

The fourth proportional to 2,576,578.91, 3,557,059.33 and 1,986,589.76 is: 2,742,558.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,576,578.91 : 3,557,059.33 = 1,986,589.76 : x
  2. Step 2: Convert to fraction form
    2,576,578.91/3,557,059.33 = 1,986,589.76/x
  3. Step 3: Cross multiply
    2,576,578.91x = 3,557,059.33 × 1,986,589.76
  4. Step 4: Simplify right side
    2,576,578.91x = 7,066,417,640,690.46
  5. Step 5: Solve for x
    x = 7,066,417,640,690.46/2,576,578.91
  6. Step 6: Final answer
    x = 2,742,558.21

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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.