Home / 2,640,437.36-3,961,273.86-818,706.45

Finding the Fourth Proportional to 2,640,437.36, 3,961,273.86 and 818,706.45

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Solution

The fourth proportional to 2,640,437.36, 3,961,273.86 and 818,706.45 is: 1,228,251.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,437.36 : 3,961,273.86 = 818,706.45 : x
  2. Step 2: Convert to fraction form
    2,640,437.36/3,961,273.86 = 818,706.45/x
  3. Step 3: Cross multiply
    2,640,437.36x = 3,961,273.86 × 818,706.45
  4. Step 4: Simplify right side
    2,640,437.36x = 3,243,120,459,398.40
  5. Step 5: Solve for x
    x = 3,243,120,459,398.40/2,640,437.36
  6. Step 6: Final answer
    x = 1,228,251.24

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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.