Home / 1,251,561.33-1,866,820.38-1,136,622.96

Finding the Fourth Proportional to 1,251,561.33, 1,866,820.38 and 1,136,622.96

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Solution

The fourth proportional to 1,251,561.33, 1,866,820.38 and 1,136,622.96 is: 1,695,379.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,561.33 : 1,866,820.38 = 1,136,622.96 : x
  2. Step 2: Convert to fraction form
    1,251,561.33/1,866,820.38 = 1,136,622.96/x
  3. Step 3: Cross multiply
    1,251,561.33x = 1,866,820.38 × 1,136,622.96
  4. Step 4: Simplify right side
    1,251,561.33x = 2,121,870,906,103.92
  5. Step 5: Solve for x
    x = 2,121,870,906,103.92/1,251,561.33
  6. Step 6: Final answer
    x = 1,695,379.09

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.