Home / 2,280,221.78-3,145,335.14-1,505,859.75

Finding the Fourth Proportional to 2,280,221.78, 3,145,335.14 and 1,505,859.75

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Solution

The fourth proportional to 2,280,221.78, 3,145,335.14 and 1,505,859.75 is: 2,077,181.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280,221.78 : 3,145,335.14 = 1,505,859.75 : x
  2. Step 2: Convert to fraction form
    2,280,221.78/3,145,335.14 = 1,505,859.75/x
  3. Step 3: Cross multiply
    2,280,221.78x = 3,145,335.14 × 1,505,859.75
  4. Step 4: Simplify right side
    2,280,221.78x = 4,736,433,580,057.32
  5. Step 5: Solve for x
    x = 4,736,433,580,057.32/2,280,221.78
  6. Step 6: Final answer
    x = 2,077,181.10

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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.