Home / 3,881,901.12-5,356,951.20-2,162,984.64

Finding the Fourth Proportional to 3,881,901.12, 5,356,951.20 and 2,162,984.64

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Solution

The fourth proportional to 3,881,901.12, 5,356,951.20 and 2,162,984.64 is: 2,984,878.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881,901.12 : 5,356,951.20 = 2,162,984.64 : x
  2. Step 2: Convert to fraction form
    3,881,901.12/5,356,951.20 = 2,162,984.64/x
  3. Step 3: Cross multiply
    3,881,901.12x = 5,356,951.20 × 2,162,984.64
  4. Step 4: Simplify right side
    3,881,901.12x = 11,587,003,162,829.57
  5. Step 5: Solve for x
    x = 11,587,003,162,829.57/3,881,901.12
  6. Step 6: Final answer
    x = 2,984,878.49

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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.