Home / 2,688,385.20-4,032,577.80-2,394,452.40

Finding the Fourth Proportional to 2,688,385.20, 4,032,577.80 and 2,394,452.40

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Solution

The fourth proportional to 2,688,385.20, 4,032,577.80 and 2,394,452.40 is: 3,591,678.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,385.20 : 4,032,577.80 = 2,394,452.40 : x
  2. Step 2: Convert to fraction form
    2,688,385.20/4,032,577.80 = 2,394,452.40/x
  3. Step 3: Cross multiply
    2,688,385.20x = 4,032,577.80 × 2,394,452.40
  4. Step 4: Simplify right side
    2,688,385.20x = 9,655,815,591,396.72
  5. Step 5: Solve for x
    x = 9,655,815,591,396.72/2,688,385.20
  6. Step 6: Final answer
    x = 3,591,678.60

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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.