Home / 2,100,858.68-3,152,082.22-822,379.85

Finding the Fourth Proportional to 2,100,858.68, 3,152,082.22 and 822,379.85

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Solution

The fourth proportional to 2,100,858.68, 3,152,082.22 and 822,379.85 is: 1,233,880.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,858.68 : 3,152,082.22 = 822,379.85 : x
  2. Step 2: Convert to fraction form
    2,100,858.68/3,152,082.22 = 822,379.85/x
  3. Step 3: Cross multiply
    2,100,858.68x = 3,152,082.22 × 822,379.85
  4. Step 4: Simplify right side
    2,100,858.68x = 2,592,208,909,095.52
  5. Step 5: Solve for x
    x = 2,592,208,909,095.52/2,100,858.68
  6. Step 6: Final answer
    x = 1,233,880.67

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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.