Home / 3,912,938.80-5,869,408.20-1,073,046.40

Finding the Fourth Proportional to 3,912,938.80, 5,869,408.20 and 1,073,046.40

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Solution

The fourth proportional to 3,912,938.80, 5,869,408.20 and 1,073,046.40 is: 1,609,569.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912,938.80 : 5,869,408.20 = 1,073,046.40 : x
  2. Step 2: Convert to fraction form
    3,912,938.80/5,869,408.20 = 1,073,046.40/x
  3. Step 3: Cross multiply
    3,912,938.80x = 5,869,408.20 × 1,073,046.40
  4. Step 4: Simplify right side
    3,912,938.80x = 6,298,147,339,140.48
  5. Step 5: Solve for x
    x = 6,298,147,339,140.48/3,912,938.80
  6. Step 6: Final answer
    x = 1,609,569.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.