Home / 3,653,656.60-5,485,409.70-2,138,891.80

Finding the Fourth Proportional to 3,653,656.60, 5,485,409.70 and 2,138,891.80

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Solution

The fourth proportional to 3,653,656.60, 5,485,409.70 and 2,138,891.80 is: 3,211,220.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653,656.60 : 5,485,409.70 = 2,138,891.80 : x
  2. Step 2: Convert to fraction form
    3,653,656.60/5,485,409.70 = 2,138,891.80/x
  3. Step 3: Cross multiply
    3,653,656.60x = 5,485,409.70 × 2,138,891.80
  4. Step 4: Simplify right side
    3,653,656.60x = 11,732,697,826,970.46
  5. Step 5: Solve for x
    x = 11,732,697,826,970.46/3,653,656.60
  6. Step 6: Final answer
    x = 3,211,220.73

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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.