Home / 2,209,211.76-3,313,784.32-993,930.14

Finding the Fourth Proportional to 2,209,211.76, 3,313,784.32 and 993,930.14

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Solution

The fourth proportional to 2,209,211.76, 3,313,784.32 and 993,930.14 is: 1,490,880.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209,211.76 : 3,313,784.32 = 993,930.14 : x
  2. Step 2: Convert to fraction form
    2,209,211.76/3,313,784.32 = 993,930.14/x
  3. Step 3: Cross multiply
    2,209,211.76x = 3,313,784.32 × 993,930.14
  4. Step 4: Simplify right side
    2,209,211.76x = 3,293,670,113,107.41
  5. Step 5: Solve for x
    x = 3,293,670,113,107.41/2,209,211.76
  6. Step 6: Final answer
    x = 1,490,880.22

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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.