Home / 2,185,234.20-3,276,684.90-921,634.20

Finding the Fourth Proportional to 2,185,234.20, 3,276,684.90 and 921,634.20

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Solution

The fourth proportional to 2,185,234.20, 3,276,684.90 and 921,634.20 is: 1,381,959.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,234.20 : 3,276,684.90 = 921,634.20 : x
  2. Step 2: Convert to fraction form
    2,185,234.20/3,276,684.90 = 921,634.20/x
  3. Step 3: Cross multiply
    2,185,234.20x = 3,276,684.90 × 921,634.20
  4. Step 4: Simplify right side
    2,185,234.20x = 3,019,904,866,463.58
  5. Step 5: Solve for x
    x = 3,019,904,866,463.58/2,185,234.20
  6. Step 6: Final answer
    x = 1,381,959.36

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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.