Home / 3,280,605.20-4,920,907.80-2,831,832.80

Finding the Fourth Proportional to 3,280,605.20, 4,920,907.80 and 2,831,832.80

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Solution

The fourth proportional to 3,280,605.20, 4,920,907.80 and 2,831,832.80 is: 4,247,749.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,605.20 : 4,920,907.80 = 2,831,832.80 : x
  2. Step 2: Convert to fraction form
    3,280,605.20/4,920,907.80 = 2,831,832.80/x
  3. Step 3: Cross multiply
    3,280,605.20x = 4,920,907.80 × 2,831,832.80
  4. Step 4: Simplify right side
    3,280,605.20x = 13,935,188,113,815.84
  5. Step 5: Solve for x
    x = 13,935,188,113,815.84/3,280,605.20
  6. Step 6: Final answer
    x = 4,247,749.20

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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.