Home / 3,893,229.90-5,372,126.55-2,174,131.26

Finding the Fourth Proportional to 3,893,229.90, 5,372,126.55 and 2,174,131.26

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Solution

The fourth proportional to 3,893,229.90, 5,372,126.55 and 2,174,131.26 is: 3,000,004.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,893,229.90 : 5,372,126.55 = 2,174,131.26 : x
  2. Step 2: Convert to fraction form
    3,893,229.90/5,372,126.55 = 2,174,131.26/x
  3. Step 3: Cross multiply
    3,893,229.90x = 5,372,126.55 × 2,174,131.26
  4. Step 4: Simplify right side
    3,893,229.90x = 11,679,708,265,030.95
  5. Step 5: Solve for x
    x = 11,679,708,265,030.95/3,893,229.90
  6. Step 6: Final answer
    x = 3,000,004.77

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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.