Home / 3,221,781.60-4,833,363.60-978,146.40

Finding the Fourth Proportional to 3,221,781.60, 4,833,363.60 and 978,146.40

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Solution

The fourth proportional to 3,221,781.60, 4,833,363.60 and 978,146.40 is: 1,467,429.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221,781.60 : 4,833,363.60 = 978,146.40 : x
  2. Step 2: Convert to fraction form
    3,221,781.60/4,833,363.60 = 978,146.40/x
  3. Step 3: Cross multiply
    3,221,781.60x = 4,833,363.60 × 978,146.40
  4. Step 4: Simplify right side
    3,221,781.60x = 4,727,737,205,231.04
  5. Step 5: Solve for x
    x = 4,727,737,205,231.04/3,221,781.60
  6. Step 6: Final answer
    x = 1,467,429.45

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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.