Home / 2,808,918.20-4,212,380.46-1,011,318.68

Finding the Fourth Proportional to 2,808,918.20, 4,212,380.46 and 1,011,318.68

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Solution

The fourth proportional to 2,808,918.20, 4,212,380.46 and 1,011,318.68 is: 1,516,619.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808,918.20 : 4,212,380.46 = 1,011,318.68 : x
  2. Step 2: Convert to fraction form
    2,808,918.20/4,212,380.46 = 1,011,318.68/x
  3. Step 3: Cross multiply
    2,808,918.20x = 4,212,380.46 × 1,011,318.68
  4. Step 4: Simplify right side
    2,808,918.20x = 4,260,059,046,464.99
  5. Step 5: Solve for x
    x = 4,260,059,046,464.99/2,808,918.20
  6. Step 6: Final answer
    x = 1,516,619.12

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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.