Home / 1,993,120.92-2,985,186.24-925,917.48

Finding the Fourth Proportional to 1,993,120.92, 2,985,186.24 and 925,917.48

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Solution

The fourth proportional to 1,993,120.92, 2,985,186.24 and 925,917.48 is: 1,386,787.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,120.92 : 2,985,186.24 = 925,917.48 : x
  2. Step 2: Convert to fraction form
    1,993,120.92/2,985,186.24 = 925,917.48/x
  3. Step 3: Cross multiply
    1,993,120.92x = 2,985,186.24 × 925,917.48
  4. Step 4: Simplify right side
    1,993,120.92x = 2,764,036,120,671.48
  5. Step 5: Solve for x
    x = 2,764,036,120,671.48/1,993,120.92
  6. Step 6: Final answer
    x = 1,386,787.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.