Home / 3,280,772.20-4,921,158.30-2,147,050.60

Finding the Fourth Proportional to 3,280,772.20, 4,921,158.30 and 2,147,050.60

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Solution

The fourth proportional to 3,280,772.20, 4,921,158.30 and 2,147,050.60 is: 3,220,575.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,772.20 : 4,921,158.30 = 2,147,050.60 : x
  2. Step 2: Convert to fraction form
    3,280,772.20/4,921,158.30 = 2,147,050.60/x
  3. Step 3: Cross multiply
    3,280,772.20x = 4,921,158.30 × 2,147,050.60
  4. Step 4: Simplify right side
    3,280,772.20x = 10,565,975,880,709.98
  5. Step 5: Solve for x
    x = 10,565,975,880,709.98/3,280,772.20
  6. Step 6: Final answer
    x = 3,220,575.90

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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.