Home / 3,749,915.42-5,174,989.35-2,118,391.64

Finding the Fourth Proportional to 3,749,915.42, 5,174,989.35 and 2,118,391.64

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Solution

The fourth proportional to 3,749,915.42, 5,174,989.35 and 2,118,391.64 is: 2,923,440.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749,915.42 : 5,174,989.35 = 2,118,391.64 : x
  2. Step 2: Convert to fraction form
    3,749,915.42/5,174,989.35 = 2,118,391.64/x
  3. Step 3: Cross multiply
    3,749,915.42x = 5,174,989.35 × 2,118,391.64
  4. Step 4: Simplify right side
    3,749,915.42x = 10,962,654,176,129.03
  5. Step 5: Solve for x
    x = 10,962,654,176,129.03/3,749,915.42
  6. Step 6: Final answer
    x = 2,923,440.38

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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.