Home / 2,808,834.50-3,876,190.30-1,585,396.63

Finding the Fourth Proportional to 2,808,834.50, 3,876,190.30 and 1,585,396.63

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Solution

The fourth proportional to 2,808,834.50, 3,876,190.30 and 1,585,396.63 is: 2,187,846.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808,834.50 : 3,876,190.30 = 1,585,396.63 : x
  2. Step 2: Convert to fraction form
    2,808,834.50/3,876,190.30 = 1,585,396.63/x
  3. Step 3: Cross multiply
    2,808,834.50x = 3,876,190.30 × 1,585,396.63
  4. Step 4: Simplify right side
    2,808,834.50x = 6,145,299,045,685.67
  5. Step 5: Solve for x
    x = 6,145,299,045,685.67/2,808,834.50
  6. Step 6: Final answer
    x = 2,187,846.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.