Home / 3,740,538.92-5,161,840.44-2,108,931.98

Finding the Fourth Proportional to 3,740,538.92, 5,161,840.44 and 2,108,931.98

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Solution

The fourth proportional to 3,740,538.92, 5,161,840.44 and 2,108,931.98 is: 2,910,267.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740,538.92 : 5,161,840.44 = 2,108,931.98 : x
  2. Step 2: Convert to fraction form
    3,740,538.92/5,161,840.44 = 2,108,931.98/x
  3. Step 3: Cross multiply
    3,740,538.92x = 5,161,840.44 × 2,108,931.98
  4. Step 4: Simplify right side
    3,740,538.92x = 10,885,970,379,573.27
  5. Step 5: Solve for x
    x = 10,885,970,379,573.27/3,740,538.92
  6. Step 6: Final answer
    x = 2,910,267.91

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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.