Home / 3,938,104-5,434,586.40-2,127,268

Finding the Fourth Proportional to 3,938,104, 5,434,586.40 and 2,127,268

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Solution

The fourth proportional to 3,938,104, 5,434,586.40 and 2,127,268 is: 2,935,631.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,104 : 5,434,586.40 = 2,127,268 : x
  2. Step 2: Convert to fraction form
    3,938,104/5,434,586.40 = 2,127,268/x
  3. Step 3: Cross multiply
    3,938,104x = 5,434,586.40 × 2,127,268
  4. Step 4: Simplify right side
    3,938,104x = 11,560,821,741,955.20
  5. Step 5: Solve for x
    x = 11,560,821,741,955.20/3,938,104
  6. Step 6: Final answer
    x = 2,935,631.40

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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.