Home / 2,078,141.70-3,117,212.55-730,512.30

Finding the Fourth Proportional to 2,078,141.70, 3,117,212.55 and 730,512.30

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Solution

The fourth proportional to 2,078,141.70, 3,117,212.55 and 730,512.30 is: 1,095,768.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,141.70 : 3,117,212.55 = 730,512.30 : x
  2. Step 2: Convert to fraction form
    2,078,141.70/3,117,212.55 = 730,512.30/x
  3. Step 3: Cross multiply
    2,078,141.70x = 3,117,212.55 × 730,512.30
  4. Step 4: Simplify right side
    2,078,141.70x = 2,277,162,109,489.37
  5. Step 5: Solve for x
    x = 2,277,162,109,489.37/2,078,141.70
  6. Step 6: Final answer
    x = 1,095,768.45

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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.