Home / 3,936,941-5,432,978.65-2,126,105

Finding the Fourth Proportional to 3,936,941, 5,432,978.65 and 2,126,105

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Solution

The fourth proportional to 3,936,941, 5,432,978.65 and 2,126,105 is: 2,934,024.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936,941 : 5,432,978.65 = 2,126,105 : x
  2. Step 2: Convert to fraction form
    3,936,941/5,432,978.65 = 2,126,105/x
  3. Step 3: Cross multiply
    3,936,941x = 5,432,978.65 × 2,126,105
  4. Step 4: Simplify right side
    3,936,941x = 11,551,083,072,658.25
  5. Step 5: Solve for x
    x = 11,551,083,072,658.25/3,936,941
  6. Step 6: Final answer
    x = 2,934,024.94

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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.