Home / 3,120,183.50-4,680,510.35-931,579.90

Finding the Fourth Proportional to 3,120,183.50, 4,680,510.35 and 931,579.90

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Solution

The fourth proportional to 3,120,183.50, 4,680,510.35 and 931,579.90 is: 1,397,440.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,183.50 : 4,680,510.35 = 931,579.90 : x
  2. Step 2: Convert to fraction form
    3,120,183.50/4,680,510.35 = 931,579.90/x
  3. Step 3: Cross multiply
    3,120,183.50x = 4,680,510.35 × 931,579.90
  4. Step 4: Simplify right side
    3,120,183.50x = 4,360,269,347,442.79
  5. Step 5: Solve for x
    x = 4,360,269,347,442.79/3,120,183.50
  6. Step 6: Final answer
    x = 1,397,440.04

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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.