Home / 5,425,855.70-8,140,079.55-1,639,375.70

Finding the Fourth Proportional to 5,425,855.70, 8,140,079.55 and 1,639,375.70

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Solution

The fourth proportional to 5,425,855.70, 8,140,079.55 and 1,639,375.70 is: 2,459,455.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425,855.70 : 8,140,079.55 = 1,639,375.70 : x
  2. Step 2: Convert to fraction form
    5,425,855.70/8,140,079.55 = 1,639,375.70/x
  3. Step 3: Cross multiply
    5,425,855.70x = 8,140,079.55 × 1,639,375.70
  4. Step 4: Simplify right side
    5,425,855.70x = 13,344,648,610,336.93
  5. Step 5: Solve for x
    x = 13,344,648,610,336.93/5,425,855.70
  6. Step 6: Final answer
    x = 2,459,455.13

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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.