Home / 3,953,178.88-5,455,391.52-2,142,342.88

Finding the Fourth Proportional to 3,953,178.88, 5,455,391.52 and 2,142,342.88

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Solution

The fourth proportional to 3,953,178.88, 5,455,391.52 and 2,142,342.88 is: 2,956,435.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953,178.88 : 5,455,391.52 = 2,142,342.88 : x
  2. Step 2: Convert to fraction form
    3,953,178.88/5,455,391.52 = 2,142,342.88/x
  3. Step 3: Cross multiply
    3,953,178.88x = 5,455,391.52 × 2,142,342.88
  4. Step 4: Simplify right side
    3,953,178.88x = 11,687,319,180,484.38
  5. Step 5: Solve for x
    x = 11,687,319,180,484.38/3,953,178.88
  6. Step 6: Final answer
    x = 2,956,435.70

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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.