Home / 1,906,505.63-2,859,756.14-486,561.86

Finding the Fourth Proportional to 1,906,505.63, 2,859,756.14 and 486,561.86

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Solution

The fourth proportional to 1,906,505.63, 2,859,756.14 and 486,561.86 is: 729,842.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906,505.63 : 2,859,756.14 = 486,561.86 : x
  2. Step 2: Convert to fraction form
    1,906,505.63/2,859,756.14 = 486,561.86/x
  3. Step 3: Cross multiply
    1,906,505.63x = 2,859,756.14 × 486,561.86
  4. Step 4: Simplify right side
    1,906,505.63x = 1,391,448,274,990.62
  5. Step 5: Solve for x
    x = 1,391,448,274,990.62/1,906,505.63
  6. Step 6: Final answer
    x = 729,842.21

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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.