Home / 3,115,492.20-4,669,739.10-1,318,069.80

Finding the Fourth Proportional to 3,115,492.20, 4,669,739.10 and 1,318,069.80

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Solution

The fourth proportional to 3,115,492.20, 4,669,739.10 and 1,318,069.80 is: 1,975,624.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,492.20 : 4,669,739.10 = 1,318,069.80 : x
  2. Step 2: Convert to fraction form
    3,115,492.20/4,669,739.10 = 1,318,069.80/x
  3. Step 3: Cross multiply
    3,115,492.20x = 4,669,739.10 × 1,318,069.80
  4. Step 4: Simplify right side
    3,115,492.20x = 6,155,042,081,589.18
  5. Step 5: Solve for x
    x = 6,155,042,081,589.18/3,115,492.20
  6. Step 6: Final answer
    x = 1,975,624.30

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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.