Home / 3,806,780.56-5,707,889.80-1,211,963.92

Finding the Fourth Proportional to 3,806,780.56, 5,707,889.80 and 1,211,963.92

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Solution

The fourth proportional to 3,806,780.56, 5,707,889.80 and 1,211,963.92 is: 1,817,219.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,806,780.56 : 5,707,889.80 = 1,211,963.92 : x
  2. Step 2: Convert to fraction form
    3,806,780.56/5,707,889.80 = 1,211,963.92/x
  3. Step 3: Cross multiply
    3,806,780.56x = 5,707,889.80 × 1,211,963.92
  4. Step 4: Simplify right side
    3,806,780.56x = 6,917,756,496,936.02
  5. Step 5: Solve for x
    x = 6,917,756,496,936.02/3,806,780.56
  6. Step 6: Final answer
    x = 1,817,219.67

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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.