Home / 3,280,665.70-4,920,998.55-2,749,824.10

Finding the Fourth Proportional to 3,280,665.70, 4,920,998.55 and 2,749,824.10

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Solution

The fourth proportional to 3,280,665.70, 4,920,998.55 and 2,749,824.10 is: 4,124,736.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,665.70 : 4,920,998.55 = 2,749,824.10 : x
  2. Step 2: Convert to fraction form
    3,280,665.70/4,920,998.55 = 2,749,824.10/x
  3. Step 3: Cross multiply
    3,280,665.70x = 4,920,998.55 × 2,749,824.10
  4. Step 4: Simplify right side
    3,280,665.70x = 13,531,880,408,855.05
  5. Step 5: Solve for x
    x = 13,531,880,408,855.05/3,280,665.70
  6. Step 6: Final answer
    x = 4,124,736.15

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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.