Home / 3,684,639.78-5,084,813.34-2,136,202.20

Finding the Fourth Proportional to 3,684,639.78, 5,084,813.34 and 2,136,202.20

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Solution

The fourth proportional to 3,684,639.78, 5,084,813.34 and 2,136,202.20 is: 2,947,965.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,684,639.78 : 5,084,813.34 = 2,136,202.20 : x
  2. Step 2: Convert to fraction form
    3,684,639.78/5,084,813.34 = 2,136,202.20/x
  3. Step 3: Cross multiply
    3,684,639.78x = 5,084,813.34 × 2,136,202.20
  4. Step 4: Simplify right side
    3,684,639.78x = 10,862,189,443,497.35
  5. Step 5: Solve for x
    x = 10,862,189,443,497.35/3,684,639.78
  6. Step 6: Final answer
    x = 2,947,965.09

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1.5x scale

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.