Home / 3,903,710.20-5,387,288.45-2,161,379.63

Finding the Fourth Proportional to 3,903,710.20, 5,387,288.45 and 2,161,379.63

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Solution

The fourth proportional to 3,903,710.20, 5,387,288.45 and 2,161,379.63 is: 2,982,797.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903,710.20 : 5,387,288.45 = 2,161,379.63 : x
  2. Step 2: Convert to fraction form
    3,903,710.20/5,387,288.45 = 2,161,379.63/x
  3. Step 3: Cross multiply
    3,903,710.20x = 5,387,288.45 × 2,161,379.63
  4. Step 4: Simplify right side
    3,903,710.20x = 11,643,975,531,583.36
  5. Step 5: Solve for x
    x = 11,643,975,531,583.36/3,903,710.20
  6. Step 6: Final answer
    x = 2,982,797.11

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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.