Home / 3,121,432.62-4,307,926.71-1,763,393.10

Finding the Fourth Proportional to 3,121,432.62, 4,307,926.71 and 1,763,393.10

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Solution

The fourth proportional to 3,121,432.62, 4,307,926.71 and 1,763,393.10 is: 2,433,680.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,432.62 : 4,307,926.71 = 1,763,393.10 : x
  2. Step 2: Convert to fraction form
    3,121,432.62/4,307,926.71 = 1,763,393.10/x
  3. Step 3: Cross multiply
    3,121,432.62x = 4,307,926.71 × 1,763,393.10
  4. Step 4: Simplify right side
    3,121,432.62x = 7,596,568,235,719.70
  5. Step 5: Solve for x
    x = 7,596,568,235,719.70/3,121,432.62
  6. Step 6: Final answer
    x = 2,433,680.03

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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.