Home / 3,881,922.12-5,356,980.18-2,163,005.64

Finding the Fourth Proportional to 3,881,922.12, 5,356,980.18 and 2,163,005.64

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Solution

The fourth proportional to 3,881,922.12, 5,356,980.18 and 2,163,005.64 is: 2,984,907.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881,922.12 : 5,356,980.18 = 2,163,005.64 : x
  2. Step 2: Convert to fraction form
    3,881,922.12/5,356,980.18 = 2,163,005.64/x
  3. Step 3: Cross multiply
    3,881,922.12x = 5,356,980.18 × 2,163,005.64
  4. Step 4: Simplify right side
    3,881,922.12x = 11,587,178,342,708.21
  5. Step 5: Solve for x
    x = 11,587,178,342,708.21/3,881,922.12
  6. Step 6: Final answer
    x = 2,984,907.47

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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.