Home / 3,953,169.88-5,455,379.10-2,142,333.88

Finding the Fourth Proportional to 3,953,169.88, 5,455,379.10 and 2,142,333.88

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Solution

The fourth proportional to 3,953,169.88, 5,455,379.10 and 2,142,333.88 is: 2,956,423.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953,169.88 : 5,455,379.10 = 2,142,333.88 : x
  2. Step 2: Convert to fraction form
    3,953,169.88/5,455,379.10 = 2,142,333.88/x
  3. Step 3: Cross multiply
    3,953,169.88x = 5,455,379.10 × 2,142,333.88
  4. Step 4: Simplify right side
    3,953,169.88x = 11,687,243,474,173.91
  5. Step 5: Solve for x
    x = 11,687,243,474,173.91/3,953,169.88
  6. Step 6: Final answer
    x = 2,956,423.28

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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.