Home / 2,141,322.60-3,211,983.90-1,643,658.60

Finding the Fourth Proportional to 2,141,322.60, 3,211,983.90 and 1,643,658.60

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Solution

The fourth proportional to 2,141,322.60, 3,211,983.90 and 1,643,658.60 is: 2,465,487.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141,322.60 : 3,211,983.90 = 1,643,658.60 : x
  2. Step 2: Convert to fraction form
    2,141,322.60/3,211,983.90 = 1,643,658.60/x
  3. Step 3: Cross multiply
    2,141,322.60x = 3,211,983.90 × 1,643,658.60
  4. Step 4: Simplify right side
    2,141,322.60x = 5,279,404,960,296.54
  5. Step 5: Solve for x
    x = 5,279,404,960,296.54/2,141,322.60
  6. Step 6: Final answer
    x = 2,465,487.90

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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.