Home / 6,420,635.36-8,859,985.05-3,666,942.65

Finding the Fourth Proportional to 6,420,635.36, 8,859,985.05 and 3,666,942.65

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Solution

The fourth proportional to 6,420,635.36, 8,859,985.05 and 3,666,942.65 is: 5,060,100.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,420,635.36 : 8,859,985.05 = 3,666,942.65 : x
  2. Step 2: Convert to fraction form
    6,420,635.36/8,859,985.05 = 3,666,942.65/x
  3. Step 3: Cross multiply
    6,420,635.36x = 8,859,985.05 × 3,666,942.65
  4. Step 4: Simplify right side
    6,420,635.36x = 32,489,057,073,481.83
  5. Step 5: Solve for x
    x = 32,489,057,073,481.83/6,420,635.36
  6. Step 6: Final answer
    x = 5,060,100.01

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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.