Home / 3,381,127.50-5,071,986.45-856,782.84

Finding the Fourth Proportional to 3,381,127.50, 5,071,986.45 and 856,782.84

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Solution

The fourth proportional to 3,381,127.50, 5,071,986.45 and 856,782.84 is: 1,285,249.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381,127.50 : 5,071,986.45 = 856,782.84 : x
  2. Step 2: Convert to fraction form
    3,381,127.50/5,071,986.45 = 856,782.84/x
  3. Step 3: Cross multiply
    3,381,127.50x = 5,071,986.45 × 856,782.84
  4. Step 4: Simplify right side
    3,381,127.50x = 4,345,590,955,072.52
  5. Step 5: Solve for x
    x = 4,345,590,955,072.52/3,381,127.50
  6. Step 6: Final answer
    x = 1,285,249.06

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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.