Home / 3,778,053.72-5,213,716.02-2,146,463.88

Finding the Fourth Proportional to 3,778,053.72, 5,213,716.02 and 2,146,463.88

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Solution

The fourth proportional to 3,778,053.72, 5,213,716.02 and 2,146,463.88 is: 2,962,121.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778,053.72 : 5,213,716.02 = 2,146,463.88 : x
  2. Step 2: Convert to fraction form
    3,778,053.72/5,213,716.02 = 2,146,463.88/x
  3. Step 3: Cross multiply
    3,778,053.72x = 5,213,716.02 × 2,146,463.88
  4. Step 4: Simplify right side
    3,778,053.72x = 11,191,053,117,507.36
  5. Step 5: Solve for x
    x = 11,191,053,117,507.36/3,778,053.72
  6. Step 6: Final answer
    x = 2,962,121.23

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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.