Home / 3,287,111.86-4,536,127.32-1,836,819.21

Finding the Fourth Proportional to 3,287,111.86, 4,536,127.32 and 1,836,819.21

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Solution

The fourth proportional to 3,287,111.86, 4,536,127.32 and 1,836,819.21 is: 2,534,761.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287,111.86 : 4,536,127.32 = 1,836,819.21 : x
  2. Step 2: Convert to fraction form
    3,287,111.86/4,536,127.32 = 1,836,819.21/x
  3. Step 3: Cross multiply
    3,287,111.86x = 4,536,127.32 × 1,836,819.21
  4. Step 4: Simplify right side
    3,287,111.86x = 8,332,045,811,267.83
  5. Step 5: Solve for x
    x = 8,332,045,811,267.83/3,287,111.86
  6. Step 6: Final answer
    x = 2,534,761.87

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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.