Home / 4,420,990.76-6,631,485.77-1,226,116.88

Finding the Fourth Proportional to 4,420,990.76, 6,631,485.77 and 1,226,116.88

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Solution

The fourth proportional to 4,420,990.76, 6,631,485.77 and 1,226,116.88 is: 1,839,175.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,420,990.76 : 6,631,485.77 = 1,226,116.88 : x
  2. Step 2: Convert to fraction form
    4,420,990.76/6,631,485.77 = 1,226,116.88/x
  3. Step 3: Cross multiply
    4,420,990.76x = 6,631,485.77 × 1,226,116.88
  4. Step 4: Simplify right side
    4,420,990.76x = 8,130,976,642,076.80
  5. Step 5: Solve for x
    x = 8,130,976,642,076.80/4,420,990.76
  6. Step 6: Final answer
    x = 1,839,175.22

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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.