Home / 1,906,245.86-2,859,922.20-768,420.86

Finding the Fourth Proportional to 1,906,245.86, 2,859,922.20 and 768,420.86

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Solution

The fourth proportional to 1,906,245.86, 2,859,922.20 and 768,420.86 is: 1,152,854.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906,245.86 : 2,859,922.20 = 768,420.86 : x
  2. Step 2: Convert to fraction form
    1,906,245.86/2,859,922.20 = 768,420.86/x
  3. Step 3: Cross multiply
    1,906,245.86x = 2,859,922.20 × 768,420.86
  4. Step 4: Simplify right side
    1,906,245.86x = 2,197,623,876,457.09
  5. Step 5: Solve for x
    x = 2,197,623,876,457.09/1,906,245.86
  6. Step 6: Final answer
    x = 1,152,854.37

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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.