Home / 3,959,289-5,463,833.40-2,148,453

Finding the Fourth Proportional to 3,959,289, 5,463,833.40 and 2,148,453

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Solution

The fourth proportional to 3,959,289, 5,463,833.40 and 2,148,453 is: 2,964,873.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959,289 : 5,463,833.40 = 2,148,453 : x
  2. Step 2: Convert to fraction form
    3,959,289/5,463,833.40 = 2,148,453/x
  3. Step 3: Cross multiply
    3,959,289x = 5,463,833.40 × 2,148,453
  4. Step 4: Simplify right side
    3,959,289x = 11,738,789,259,730.20
  5. Step 5: Solve for x
    x = 11,738,789,259,730.20/3,959,289
  6. Step 6: Final answer
    x = 2,964,873.05

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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.