Home / 3,938,763-5,432,793.66-2,411,624.28

Finding the Fourth Proportional to 3,938,763, 5,432,793.66 and 2,411,624.28

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Solution

The fourth proportional to 3,938,763, 5,432,793.66 and 2,411,624.28 is: 3,326,388.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,763 : 5,432,793.66 = 2,411,624.28 : x
  2. Step 2: Convert to fraction form
    3,938,763/5,432,793.66 = 2,411,624.28/x
  3. Step 3: Cross multiply
    3,938,763x = 5,432,793.66 × 2,411,624.28
  4. Step 4: Simplify right side
    3,938,763x = 13,101,857,098,686.06
  5. Step 5: Solve for x
    x = 13,101,857,098,686.06/3,938,763
  6. Step 6: Final answer
    x = 3,326,388.79

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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.