Home / 3,230,425.66-4,458,017.31-1,780,172.99

Finding the Fourth Proportional to 3,230,425.66, 4,458,017.31 and 1,780,172.99

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Solution

The fourth proportional to 3,230,425.66, 4,458,017.31 and 1,780,172.99 is: 2,456,655.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230,425.66 : 4,458,017.31 = 1,780,172.99 : x
  2. Step 2: Convert to fraction form
    3,230,425.66/4,458,017.31 = 1,780,172.99/x
  3. Step 3: Cross multiply
    3,230,425.66x = 4,458,017.31 × 1,780,172.99
  4. Step 4: Simplify right side
    3,230,425.66x = 7,936,042,018,711.55
  5. Step 5: Solve for x
    x = 7,936,042,018,711.55/3,230,425.66
  6. Step 6: Final answer
    x = 2,456,655.21

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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.