Home / 3,749,911.92-5,174,984.52-2,118,388.14

Finding the Fourth Proportional to 3,749,911.92, 5,174,984.52 and 2,118,388.14

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Solution

The fourth proportional to 3,749,911.92, 5,174,984.52 and 2,118,388.14 is: 2,923,435.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749,911.92 : 5,174,984.52 = 2,118,388.14 : x
  2. Step 2: Convert to fraction form
    3,749,911.92/5,174,984.52 = 2,118,388.14/x
  3. Step 3: Cross multiply
    3,749,911.92x = 5,174,984.52 × 2,118,388.14
  4. Step 4: Simplify right side
    3,749,911.92x = 10,962,625,831,851.59
  5. Step 5: Solve for x
    x = 10,962,625,831,851.59/3,749,911.92
  6. Step 6: Final answer
    x = 2,923,435.55

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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.