Home / 3,305,938.76-4,956,981.36-1,281,818

Finding the Fourth Proportional to 3,305,938.76, 4,956,981.36 and 1,281,818

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Solution

The fourth proportional to 3,305,938.76, 4,956,981.36 and 1,281,818 is: 1,921,979.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,305,938.76 : 4,956,981.36 = 1,281,818 : x
  2. Step 2: Convert to fraction form
    3,305,938.76/4,956,981.36 = 1,281,818/x
  3. Step 3: Cross multiply
    3,305,938.76x = 4,956,981.36 × 1,281,818
  4. Step 4: Simplify right side
    3,305,938.76x = 6,353,947,932,912.48
  5. Step 5: Solve for x
    x = 6,353,947,932,912.48/3,305,938.76
  6. Step 6: Final answer
    x = 1,921,979.93

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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.