Home / 3,740,578.77-5,161,895.47-2,108,971.88

Finding the Fourth Proportional to 3,740,578.77, 5,161,895.47 and 2,108,971.88

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Solution

The fourth proportional to 3,740,578.77, 5,161,895.47 and 2,108,971.88 is: 2,910,322.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740,578.77 : 5,161,895.47 = 2,108,971.88 : x
  2. Step 2: Convert to fraction form
    3,740,578.77/5,161,895.47 = 2,108,971.88/x
  3. Step 3: Cross multiply
    3,740,578.77x = 5,161,895.47 × 2,108,971.88
  4. Step 4: Simplify right side
    3,740,578.77x = 10,886,292,393,729.38
  5. Step 5: Solve for x
    x = 10,886,292,393,729.38/3,740,578.77
  6. Step 6: Final answer
    x = 2,910,322.99

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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.