Home / 5,101,800.30-7,040,484.50-2,809,960.92

Finding the Fourth Proportional to 5,101,800.30, 7,040,484.50 and 2,809,960.92

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Solution

The fourth proportional to 5,101,800.30, 7,040,484.50 and 2,809,960.92 is: 3,877,746.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101,800.30 : 7,040,484.50 = 2,809,960.92 : x
  2. Step 2: Convert to fraction form
    5,101,800.30/7,040,484.50 = 2,809,960.92/x
  3. Step 3: Cross multiply
    5,101,800.30x = 7,040,484.50 × 2,809,960.92
  4. Step 4: Simplify right side
    5,101,800.30x = 19,783,486,288,815.93
  5. Step 5: Solve for x
    x = 19,783,486,288,815.93/5,101,800.30
  6. Step 6: Final answer
    x = 3,877,746.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.