Home / 3,662,961.80-5,478,890.70-3,286,603.40

Finding the Fourth Proportional to 3,662,961.80, 5,478,890.70 and 3,286,603.40

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Solution

The fourth proportional to 3,662,961.80, 5,478,890.70 and 3,286,603.40 is: 4,915,951.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,662,961.80 : 5,478,890.70 = 3,286,603.40 : x
  2. Step 2: Convert to fraction form
    3,662,961.80/5,478,890.70 = 3,286,603.40/x
  3. Step 3: Cross multiply
    3,662,961.80x = 5,478,890.70 × 3,286,603.40
  4. Step 4: Simplify right side
    3,662,961.80x = 18,006,940,802,848.38
  5. Step 5: Solve for x
    x = 18,006,940,802,848.38/3,662,961.80
  6. Step 6: Final answer
    x = 4,915,951.02

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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.