Home / 3,051,703.20-4,578,380.64-921,856.80

Finding the Fourth Proportional to 3,051,703.20, 4,578,380.64 and 921,856.80

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Solution

The fourth proportional to 3,051,703.20, 4,578,380.64 and 921,856.80 is: 1,383,034.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051,703.20 : 4,578,380.64 = 921,856.80 : x
  2. Step 2: Convert to fraction form
    3,051,703.20/4,578,380.64 = 921,856.80/x
  3. Step 3: Cross multiply
    3,051,703.20x = 4,578,380.64 × 921,856.80
  4. Step 4: Simplify right side
    3,051,703.20x = 4,220,611,325,972.35
  5. Step 5: Solve for x
    x = 4,220,611,325,972.35/3,051,703.20
  6. Step 6: Final answer
    x = 1,383,034.67

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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.