Home / 4,811,712.53-7,217,583.60-1,217,478.72

Finding the Fourth Proportional to 4,811,712.53, 7,217,583.60 and 1,217,478.72

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Solution

The fourth proportional to 4,811,712.53, 7,217,583.60 and 1,217,478.72 is: 1,826,221.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811,712.53 : 7,217,583.60 = 1,217,478.72 : x
  2. Step 2: Convert to fraction form
    4,811,712.53/7,217,583.60 = 1,217,478.72/x
  3. Step 3: Cross multiply
    4,811,712.53x = 7,217,583.60 × 1,217,478.72
  4. Step 4: Simplify right side
    4,811,712.53x = 8,787,254,436,733.60
  5. Step 5: Solve for x
    x = 8,787,254,436,733.60/4,811,712.53
  6. Step 6: Final answer
    x = 1,826,221.83

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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.