Home / 3,180,990.52-4,389,887.66-1,823,125.56

Finding the Fourth Proportional to 3,180,990.52, 4,389,887.66 and 1,823,125.56

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Solution

The fourth proportional to 3,180,990.52, 4,389,887.66 and 1,823,125.56 is: 2,515,982.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180,990.52 : 4,389,887.66 = 1,823,125.56 : x
  2. Step 2: Convert to fraction form
    3,180,990.52/4,389,887.66 = 1,823,125.56/x
  3. Step 3: Cross multiply
    3,180,990.52x = 4,389,887.66 × 1,823,125.56
  4. Step 4: Simplify right side
    3,180,990.52x = 8,003,316,398,474.59
  5. Step 5: Solve for x
    x = 8,003,316,398,474.59/3,180,990.52
  6. Step 6: Final answer
    x = 2,515,982.47

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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.