Home / 5,471,152.05-8,206,734.57-1,427,636.91

Finding the Fourth Proportional to 5,471,152.05, 8,206,734.57 and 1,427,636.91

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Solution

The fourth proportional to 5,471,152.05, 8,206,734.57 and 1,427,636.91 is: 2,141,457.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471,152.05 : 8,206,734.57 = 1,427,636.91 : x
  2. Step 2: Convert to fraction form
    5,471,152.05/8,206,734.57 = 1,427,636.91/x
  3. Step 3: Cross multiply
    5,471,152.05x = 8,206,734.57 × 1,427,636.91
  4. Step 4: Simplify right side
    5,471,152.05x = 11,716,237,182,704.98
  5. Step 5: Solve for x
    x = 11,716,237,182,704.98/5,471,152.05
  6. Step 6: Final answer
    x = 2,141,457.06

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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.