Home / 1,916,317.75-2,644,677.47-1,100,678.83

Finding the Fourth Proportional to 1,916,317.75, 2,644,677.47 and 1,100,678.83

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Solution

The fourth proportional to 1,916,317.75, 2,644,677.47 and 1,100,678.83 is: 1,519,028.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,317.75 : 2,644,677.47 = 1,100,678.83 : x
  2. Step 2: Convert to fraction form
    1,916,317.75/2,644,677.47 = 1,100,678.83/x
  3. Step 3: Cross multiply
    1,916,317.75x = 2,644,677.47 × 1,100,678.83
  4. Step 4: Simplify right side
    1,916,317.75x = 2,910,940,497,903.57
  5. Step 5: Solve for x
    x = 2,910,940,497,903.57/1,916,317.75
  6. Step 6: Final answer
    x = 1,519,028.10

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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.