Home / 2,178,823.86-3,006,657.66-1,198,744.41

Finding the Fourth Proportional to 2,178,823.86, 3,006,657.66 and 1,198,744.41

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Solution

The fourth proportional to 2,178,823.86, 3,006,657.66 and 1,198,744.41 is: 1,654,201.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,823.86 : 3,006,657.66 = 1,198,744.41 : x
  2. Step 2: Convert to fraction form
    2,178,823.86/3,006,657.66 = 1,198,744.41/x
  3. Step 3: Cross multiply
    2,178,823.86x = 3,006,657.66 × 1,198,744.41
  4. Step 4: Simplify right side
    2,178,823.86x = 3,604,214,078,478.94
  5. Step 5: Solve for x
    x = 3,604,214,078,478.94/2,178,823.86
  6. Step 6: Final answer
    x = 1,654,201.67

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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.