Home / 3,938,288-5,434,837.44-2,127,452

Finding the Fourth Proportional to 3,938,288, 5,434,837.44 and 2,127,452

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Solution

The fourth proportional to 3,938,288, 5,434,837.44 and 2,127,452 is: 2,935,883.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,288 : 5,434,837.44 = 2,127,452 : x
  2. Step 2: Convert to fraction form
    3,938,288/5,434,837.44 = 2,127,452/x
  3. Step 3: Cross multiply
    3,938,288x = 5,434,837.44 × 2,127,452
  4. Step 4: Simplify right side
    3,938,288x = 11,562,355,781,402.88
  5. Step 5: Solve for x
    x = 11,562,355,781,402.88/3,938,288
  6. Step 6: Final answer
    x = 2,935,883.76

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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.