Home / 6,516,271.20-9,780,627.60-3,325,000.80

Finding the Fourth Proportional to 6,516,271.20, 9,780,627.60 and 3,325,000.80

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Solution

The fourth proportional to 6,516,271.20, 9,780,627.60 and 3,325,000.80 is: 4,990,675.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,516,271.20 : 9,780,627.60 = 3,325,000.80 : x
  2. Step 2: Convert to fraction form
    6,516,271.20/9,780,627.60 = 3,325,000.80/x
  3. Step 3: Cross multiply
    6,516,271.20x = 9,780,627.60 × 3,325,000.80
  4. Step 4: Simplify right side
    6,516,271.20x = 32,520,594,594,502.08
  5. Step 5: Solve for x
    x = 32,520,594,594,502.08/6,516,271.20
  6. Step 6: Final answer
    x = 4,990,675.43

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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.