Home / 6,138,881.34-9,206,750.75-1,819,921.61

Finding the Fourth Proportional to 6,138,881.34, 9,206,750.75 and 1,819,921.61

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Solution

The fourth proportional to 6,138,881.34, 9,206,750.75 and 1,819,921.61 is: 2,729,416.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,138,881.34 : 9,206,750.75 = 1,819,921.61 : x
  2. Step 2: Convert to fraction form
    6,138,881.34/9,206,750.75 = 1,819,921.61/x
  3. Step 3: Cross multiply
    6,138,881.34x = 9,206,750.75 × 1,819,921.61
  4. Step 4: Simplify right side
    6,138,881.34x = 16,755,564,592,675.34
  5. Step 5: Solve for x
    x = 16,755,564,592,675.34/6,138,881.34
  6. Step 6: Final answer
    x = 2,729,416.59

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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.