Home / 3,221,772.60-4,833,350.10-978,137.40

Finding the Fourth Proportional to 3,221,772.60, 4,833,350.10 and 978,137.40

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Solution

The fourth proportional to 3,221,772.60, 4,833,350.10 and 978,137.40 is: 1,467,415.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221,772.60 : 4,833,350.10 = 978,137.40 : x
  2. Step 2: Convert to fraction form
    3,221,772.60/4,833,350.10 = 978,137.40/x
  3. Step 3: Cross multiply
    3,221,772.60x = 4,833,350.10 × 978,137.40
  4. Step 4: Simplify right side
    3,221,772.60x = 4,727,680,500,103.74
  5. Step 5: Solve for x
    x = 4,727,680,500,103.74/3,221,772.60
  6. Step 6: Final answer
    x = 1,467,415.95

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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.