Home / 3,280,529.70-4,920,794.55-2,831,757.30

Finding the Fourth Proportional to 3,280,529.70, 4,920,794.55 and 2,831,757.30

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Solution

The fourth proportional to 3,280,529.70, 4,920,794.55 and 2,831,757.30 is: 4,247,635.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,529.70 : 4,920,794.55 = 2,831,757.30 : x
  2. Step 2: Convert to fraction form
    3,280,529.70/4,920,794.55 = 2,831,757.30/x
  3. Step 3: Cross multiply
    3,280,529.70x = 4,920,794.55 × 2,831,757.30
  4. Step 4: Simplify right side
    3,280,529.70x = 13,934,495,888,762.71
  5. Step 5: Solve for x
    x = 13,934,495,888,762.71/3,280,529.70
  6. Step 6: Final answer
    x = 4,247,635.95

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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.