Home / 2,667,919.80-4,001,889.10-646,165.04

Finding the Fourth Proportional to 2,667,919.80, 4,001,889.10 and 646,165.04

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Solution

The fourth proportional to 2,667,919.80, 4,001,889.10 and 646,165.04 is: 969,249.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,667,919.80 : 4,001,889.10 = 646,165.04 : x
  2. Step 2: Convert to fraction form
    2,667,919.80/4,001,889.10 = 646,165.04/x
  3. Step 3: Cross multiply
    2,667,919.80x = 4,001,889.10 × 646,165.04
  4. Step 4: Simplify right side
    2,667,919.80x = 2,585,880,830,377.06
  5. Step 5: Solve for x
    x = 2,585,880,830,377.06/2,667,919.80
  6. Step 6: Final answer
    x = 969,249.84

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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.