Home / 3,109,082.67-4,663,624.20-1,214,495.55

Finding the Fourth Proportional to 3,109,082.67, 4,663,624.20 and 1,214,495.55

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Solution

The fourth proportional to 3,109,082.67, 4,663,624.20 and 1,214,495.55 is: 1,821,743.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,082.67 : 4,663,624.20 = 1,214,495.55 : x
  2. Step 2: Convert to fraction form
    3,109,082.67/4,663,624.20 = 1,214,495.55/x
  3. Step 3: Cross multiply
    3,109,082.67x = 4,663,624.20 × 1,214,495.55
  4. Step 4: Simplify right side
    3,109,082.67x = 5,663,950,837,772.31
  5. Step 5: Solve for x
    x = 5,663,950,837,772.31/3,109,082.67
  6. Step 6: Final answer
    x = 1,821,743.40

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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.