Home / 3,139,990.38-4,333,291.39-1,763,576.64

Finding the Fourth Proportional to 3,139,990.38, 4,333,291.39 and 1,763,576.64

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Solution

The fourth proportional to 3,139,990.38, 4,333,291.39 and 1,763,576.64 is: 2,433,794.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,990.38 : 4,333,291.39 = 1,763,576.64 : x
  2. Step 2: Convert to fraction form
    3,139,990.38/4,333,291.39 = 1,763,576.64/x
  3. Step 3: Cross multiply
    3,139,990.38x = 4,333,291.39 × 1,763,576.64
  4. Step 4: Simplify right side
    3,139,990.38x = 7,642,091,458,388.30
  5. Step 5: Solve for x
    x = 7,642,091,458,388.30/3,139,990.38
  6. Step 6: Final answer
    x = 2,433,794.55

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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.