Home / 5,285,818.96-7,920,657.50-3,931,431.73

Finding the Fourth Proportional to 5,285,818.96, 7,920,657.50 and 3,931,431.73

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Solution

The fourth proportional to 5,285,818.96, 7,920,657.50 and 3,931,431.73 is: 5,891,144.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285,818.96 : 7,920,657.50 = 3,931,431.73 : x
  2. Step 2: Convert to fraction form
    5,285,818.96/7,920,657.50 = 3,931,431.73/x
  3. Step 3: Cross multiply
    5,285,818.96x = 7,920,657.50 × 3,931,431.73
  4. Step 4: Simplify right side
    5,285,818.96x = 31,139,524,178,503.67
  5. Step 5: Solve for x
    x = 31,139,524,178,503.67/5,285,818.96
  6. Step 6: Final answer
    x = 5,891,144.67

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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.