Home / 3,115,441.20-4,669,662.60-1,318,018.80

Finding the Fourth Proportional to 3,115,441.20, 4,669,662.60 and 1,318,018.80

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Solution

The fourth proportional to 3,115,441.20, 4,669,662.60 and 1,318,018.80 is: 1,975,547.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,441.20 : 4,669,662.60 = 1,318,018.80 : x
  2. Step 2: Convert to fraction form
    3,115,441.20/4,669,662.60 = 1,318,018.80/x
  3. Step 3: Cross multiply
    3,115,441.20x = 4,669,662.60 × 1,318,018.80
  4. Step 4: Simplify right side
    3,115,441.20x = 6,154,703,096,456.88
  5. Step 5: Solve for x
    x = 6,154,703,096,456.88/3,115,441.20
  6. Step 6: Final answer
    x = 1,975,547.83

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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.