Home / 3,293,616.40-4,940,885.40-1,400,342.80

Finding the Fourth Proportional to 3,293,616.40, 4,940,885.40 and 1,400,342.80

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Solution

The fourth proportional to 3,293,616.40, 4,940,885.40 and 1,400,342.80 is: 2,100,710.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,293,616.40 : 4,940,885.40 = 1,400,342.80 : x
  2. Step 2: Convert to fraction form
    3,293,616.40/4,940,885.40 = 1,400,342.80/x
  3. Step 3: Cross multiply
    3,293,616.40x = 4,940,885.40 × 1,400,342.80
  4. Step 4: Simplify right side
    3,293,616.40x = 6,918,933,295,515.12
  5. Step 5: Solve for x
    x = 6,918,933,295,515.12/3,293,616.40
  6. Step 6: Final answer
    x = 2,100,710.12

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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.