Home / 4,812,154.20-7,218,231.30-4,493,289.60

Finding the Fourth Proportional to 4,812,154.20, 7,218,231.30 and 4,493,289.60

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Solution

The fourth proportional to 4,812,154.20, 7,218,231.30 and 4,493,289.60 is: 6,739,934.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812,154.20 : 7,218,231.30 = 4,493,289.60 : x
  2. Step 2: Convert to fraction form
    4,812,154.20/7,218,231.30 = 4,493,289.60/x
  3. Step 3: Cross multiply
    4,812,154.20x = 7,218,231.30 × 4,493,289.60
  4. Step 4: Simplify right side
    4,812,154.20x = 32,433,603,630,684.48
  5. Step 5: Solve for x
    x = 32,433,603,630,684.48/4,812,154.20
  6. Step 6: Final answer
    x = 6,739,934.40

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Double scale
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Similar ratio
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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.