Home / 3,178,960.85-4,386,832.42-1,802,397.17

Finding the Fourth Proportional to 3,178,960.85, 4,386,832.42 and 1,802,397.17

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Solution

The fourth proportional to 3,178,960.85, 4,386,832.42 and 1,802,397.17 is: 2,487,232.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,960.85 : 4,386,832.42 = 1,802,397.17 : x
  2. Step 2: Convert to fraction form
    3,178,960.85/4,386,832.42 = 1,802,397.17/x
  3. Step 3: Cross multiply
    3,178,960.85x = 4,386,832.42 × 1,802,397.17
  4. Step 4: Simplify right side
    3,178,960.85x = 7,906,814,339,072.25
  5. Step 5: Solve for x
    x = 7,906,814,339,072.25/3,178,960.85
  6. Step 6: Final answer
    x = 2,487,232.37

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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.