Home / 3,953,164.88-5,455,372.20-2,142,328.88

Finding the Fourth Proportional to 3,953,164.88, 5,455,372.20 and 2,142,328.88

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Solution

The fourth proportional to 3,953,164.88, 5,455,372.20 and 2,142,328.88 is: 2,956,416.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953,164.88 : 5,455,372.20 = 2,142,328.88 : x
  2. Step 2: Convert to fraction form
    3,953,164.88/5,455,372.20 = 2,142,328.88/x
  3. Step 3: Cross multiply
    3,953,164.88x = 5,455,372.20 × 2,142,328.88
  4. Step 4: Simplify right side
    3,953,164.88x = 11,687,201,415,209.14
  5. Step 5: Solve for x
    x = 11,687,201,415,209.14/3,953,164.88
  6. Step 6: Final answer
    x = 2,956,416.38

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1.5x scale

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.