Home / 2,680,813.62-4,021,483.54-761,813.38

Finding the Fourth Proportional to 2,680,813.62, 4,021,483.54 and 761,813.38

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Solution

The fourth proportional to 2,680,813.62, 4,021,483.54 and 761,813.38 is: 1,142,794.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680,813.62 : 4,021,483.54 = 761,813.38 : x
  2. Step 2: Convert to fraction form
    2,680,813.62/4,021,483.54 = 761,813.38/x
  3. Step 3: Cross multiply
    2,680,813.62x = 4,021,483.54 × 761,813.38
  4. Step 4: Simplify right side
    2,680,813.62x = 3,063,619,950,018.88
  5. Step 5: Solve for x
    x = 3,063,619,950,018.88/2,680,813.62
  6. Step 6: Final answer
    x = 1,142,794.83

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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.