Home / 2,809,579.65-4,213,894.11-787,358.18

Finding the Fourth Proportional to 2,809,579.65, 4,213,894.11 and 787,358.18

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Solution

The fourth proportional to 2,809,579.65, 4,213,894.11 and 787,358.18 is: 1,180,904.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809,579.65 : 4,213,894.11 = 787,358.18 : x
  2. Step 2: Convert to fraction form
    2,809,579.65/4,213,894.11 = 787,358.18/x
  3. Step 3: Cross multiply
    2,809,579.65x = 4,213,894.11 × 787,358.18
  4. Step 4: Simplify right side
    2,809,579.65x = 3,317,843,976,092.85
  5. Step 5: Solve for x
    x = 3,317,843,976,092.85/2,809,579.65
  6. Step 6: Final answer
    x = 1,180,904.05

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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.