Home / 1,985,516.88-2,739,103.22-1,169,329.84

Finding the Fourth Proportional to 1,985,516.88, 2,739,103.22 and 1,169,329.84

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Solution

The fourth proportional to 1,985,516.88, 2,739,103.22 and 1,169,329.84 is: 1,613,139.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,516.88 : 2,739,103.22 = 1,169,329.84 : x
  2. Step 2: Convert to fraction form
    1,985,516.88/2,739,103.22 = 1,169,329.84/x
  3. Step 3: Cross multiply
    1,985,516.88x = 2,739,103.22 × 1,169,329.84
  4. Step 4: Simplify right side
    1,985,516.88x = 3,202,915,129,986.09
  5. Step 5: Solve for x
    x = 3,202,915,129,986.09/1,985,516.88
  6. Step 6: Final answer
    x = 1,613,139.21

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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.