Home / 3,953,170.13-5,455,379.45-2,142,334.13

Finding the Fourth Proportional to 3,953,170.13, 5,455,379.45 and 2,142,334.13

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Solution

The fourth proportional to 3,953,170.13, 5,455,379.45 and 2,142,334.13 is: 2,956,423.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953,170.13 : 5,455,379.45 = 2,142,334.13 : x
  2. Step 2: Convert to fraction form
    3,953,170.13/5,455,379.45 = 2,142,334.13/x
  3. Step 3: Cross multiply
    3,953,170.13x = 5,455,379.45 × 2,142,334.13
  4. Step 4: Simplify right side
    3,953,170.13x = 11,687,245,577,123.96
  5. Step 5: Solve for x
    x = 11,687,245,577,123.96/3,953,170.13
  6. Step 6: Final answer
    x = 2,956,423.63

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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.