Home / 3,939,738.68-5,435,913.32-2,390,966

Finding the Fourth Proportional to 3,939,738.68, 5,435,913.32 and 2,390,966

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Solution

The fourth proportional to 3,939,738.68, 5,435,913.32 and 2,390,966 is: 3,298,971.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,738.68 : 5,435,913.32 = 2,390,966 : x
  2. Step 2: Convert to fraction form
    3,939,738.68/5,435,913.32 = 2,390,966/x
  3. Step 3: Cross multiply
    3,939,738.68x = 5,435,913.32 × 2,390,966
  4. Step 4: Simplify right side
    3,939,738.68x = 12,997,083,927,067.12
  5. Step 5: Solve for x
    x = 12,997,083,927,067.12/3,939,738.68
  6. Step 6: Final answer
    x = 3,298,971.07

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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.