Home / 3,079,684.58-4,619,475.95-920,714.67

Finding the Fourth Proportional to 3,079,684.58, 4,619,475.95 and 920,714.67

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Solution

The fourth proportional to 3,079,684.58, 4,619,475.95 and 920,714.67 is: 1,381,056.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079,684.58 : 4,619,475.95 = 920,714.67 : x
  2. Step 2: Convert to fraction form
    3,079,684.58/4,619,475.95 = 920,714.67/x
  3. Step 3: Cross multiply
    3,079,684.58x = 4,619,475.95 × 920,714.67
  4. Step 4: Simplify right side
    3,079,684.58x = 4,253,219,270,273.61
  5. Step 5: Solve for x
    x = 4,253,219,270,273.61/3,079,684.58
  6. Step 6: Final answer
    x = 1,381,056.78

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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.