Home / 3,120,507.39-4,680,425.75-2,116,076.61

Finding the Fourth Proportional to 3,120,507.39, 4,680,425.75 and 2,116,076.61

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Solution

The fourth proportional to 3,120,507.39, 4,680,425.75 and 2,116,076.61 is: 3,173,887.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,507.39 : 4,680,425.75 = 2,116,076.61 : x
  2. Step 2: Convert to fraction form
    3,120,507.39/4,680,425.75 = 2,116,076.61/x
  3. Step 3: Cross multiply
    3,120,507.39x = 4,680,425.75 × 2,116,076.61
  4. Step 4: Simplify right side
    3,120,507.39x = 9,904,139,443,836.32
  5. Step 5: Solve for x
    x = 9,904,139,443,836.32/3,120,507.39
  6. Step 6: Final answer
    x = 3,173,887.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.