Home / 2,783,687.80-4,175,471.22-890,423.56

Finding the Fourth Proportional to 2,783,687.80, 4,175,471.22 and 890,423.56

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Solution

The fourth proportional to 2,783,687.80, 4,175,471.22 and 890,423.56 is: 1,335,615.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783,687.80 : 4,175,471.22 = 890,423.56 : x
  2. Step 2: Convert to fraction form
    2,783,687.80/4,175,471.22 = 890,423.56/x
  3. Step 3: Cross multiply
    2,783,687.80x = 4,175,471.22 × 890,423.56
  4. Step 4: Simplify right side
    2,783,687.80x = 3,717,937,948,389.94
  5. Step 5: Solve for x
    x = 3,717,937,948,389.94/2,783,687.80
  6. Step 6: Final answer
    x = 1,335,615.99

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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.