Home / 2,688,272.20-4,032,408.30-2,394,339.40

Finding the Fourth Proportional to 2,688,272.20, 4,032,408.30 and 2,394,339.40

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Solution

The fourth proportional to 2,688,272.20, 4,032,408.30 and 2,394,339.40 is: 3,591,509.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,272.20 : 4,032,408.30 = 2,394,339.40 : x
  2. Step 2: Convert to fraction form
    2,688,272.20/4,032,408.30 = 2,394,339.40/x
  3. Step 3: Cross multiply
    2,688,272.20x = 4,032,408.30 × 2,394,339.40
  4. Step 4: Simplify right side
    2,688,272.20x = 9,654,954,069,577.02
  5. Step 5: Solve for x
    x = 9,654,954,069,577.02/2,688,272.20
  6. Step 6: Final answer
    x = 3,591,509.10

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Similar ratio
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1.5x scale

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.