Home / 3,943,962.75-5,442,669-2,133,126.75

Finding the Fourth Proportional to 3,943,962.75, 5,442,669 and 2,133,126.75

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Solution

The fourth proportional to 3,943,962.75, 5,442,669 and 2,133,126.75 is: 2,943,715.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943,962.75 : 5,442,669 = 2,133,126.75 : x
  2. Step 2: Convert to fraction form
    3,943,962.75/5,442,669 = 2,133,126.75/x
  3. Step 3: Cross multiply
    3,943,962.75x = 5,442,669 × 2,133,126.75
  4. Step 4: Simplify right side
    3,943,962.75x = 11,609,902,835,295.75
  5. Step 5: Solve for x
    x = 11,609,902,835,295.75/3,943,962.75
  6. Step 6: Final answer
    x = 2,943,715.13

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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.