Home / 5,221,274.92-7,831,912.86-1,855,614.76

Finding the Fourth Proportional to 5,221,274.92, 7,831,912.86 and 1,855,614.76

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Solution

The fourth proportional to 5,221,274.92, 7,831,912.86 and 1,855,614.76 is: 2,783,422.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221,274.92 : 7,831,912.86 = 1,855,614.76 : x
  2. Step 2: Convert to fraction form
    5,221,274.92/7,831,912.86 = 1,855,614.76/x
  3. Step 3: Cross multiply
    5,221,274.92x = 7,831,912.86 × 1,855,614.76
  4. Step 4: Simplify right side
    5,221,274.92x = 14,533,013,102,049.81
  5. Step 5: Solve for x
    x = 14,533,013,102,049.81/5,221,274.92
  6. Step 6: Final answer
    x = 2,783,422.31

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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.