Home / 1,678,243.86-2,518,153.11-836,861.22

Finding the Fourth Proportional to 1,678,243.86, 2,518,153.11 and 836,861.22

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Solution

The fourth proportional to 1,678,243.86, 2,518,153.11 and 836,861.22 is: 1,255,684.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,243.86 : 2,518,153.11 = 836,861.22 : x
  2. Step 2: Convert to fraction form
    1,678,243.86/2,518,153.11 = 836,861.22/x
  3. Step 3: Cross multiply
    1,678,243.86x = 2,518,153.11 × 836,861.22
  4. Step 4: Simplify right side
    1,678,243.86x = 2,107,344,683,781.39
  5. Step 5: Solve for x
    x = 2,107,344,683,781.39/1,678,243.86
  6. Step 6: Final answer
    x = 1,255,684.43

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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.