Home / 3,979,432.68-5,491,841.46-3,010,881.40

Finding the Fourth Proportional to 3,979,432.68, 5,491,841.46 and 3,010,881.40

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Solution

The fourth proportional to 3,979,432.68, 5,491,841.46 and 3,010,881.40 is: 4,155,186.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979,432.68 : 5,491,841.46 = 3,010,881.40 : x
  2. Step 2: Convert to fraction form
    3,979,432.68/5,491,841.46 = 3,010,881.40/x
  3. Step 3: Cross multiply
    3,979,432.68x = 5,491,841.46 × 3,010,881.40
  4. Step 4: Simplify right side
    3,979,432.68x = 16,535,283,303,662.84
  5. Step 5: Solve for x
    x = 16,535,283,303,662.84/3,979,432.68
  6. Step 6: Final answer
    x = 4,155,186.09

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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.