Home / 5,379,869.85-8,069,841.12-1,966,752.38

Finding the Fourth Proportional to 5,379,869.85, 8,069,841.12 and 1,966,752.38

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Solution

The fourth proportional to 5,379,869.85, 8,069,841.12 and 1,966,752.38 is: 2,950,141.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379,869.85 : 8,069,841.12 = 1,966,752.38 : x
  2. Step 2: Convert to fraction form
    5,379,869.85/8,069,841.12 = 1,966,752.38/x
  3. Step 3: Cross multiply
    5,379,869.85x = 8,069,841.12 × 1,966,752.38
  4. Step 4: Simplify right side
    5,379,869.85x = 15,871,379,188,632.66
  5. Step 5: Solve for x
    x = 15,871,379,188,632.66/5,379,869.85
  6. Step 6: Final answer
    x = 2,950,141.85

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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.