Home / 2,586,122.82-3,875,160.81-987,813.54

Finding the Fourth Proportional to 2,586,122.82, 3,875,160.81 and 987,813.54

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Solution

The fourth proportional to 2,586,122.82, 3,875,160.81 and 987,813.54 is: 1,480,183.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586,122.82 : 3,875,160.81 = 987,813.54 : x
  2. Step 2: Convert to fraction form
    2,586,122.82/3,875,160.81 = 987,813.54/x
  3. Step 3: Cross multiply
    2,586,122.82x = 3,875,160.81 × 987,813.54
  4. Step 4: Simplify right side
    2,586,122.82x = 3,827,936,317,795.37
  5. Step 5: Solve for x
    x = 3,827,936,317,795.37/2,586,122.82
  6. Step 6: Final answer
    x = 1,480,183.50

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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.