Home / 2,859,728.76-4,290,183.50-838,038.60

Finding the Fourth Proportional to 2,859,728.76, 4,290,183.50 and 838,038.60

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Solution

The fourth proportional to 2,859,728.76, 4,290,183.50 and 838,038.60 is: 1,257,230.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859,728.76 : 4,290,183.50 = 838,038.60 : x
  2. Step 2: Convert to fraction form
    2,859,728.76/4,290,183.50 = 838,038.60/x
  3. Step 3: Cross multiply
    2,859,728.76x = 4,290,183.50 × 838,038.60
  4. Step 4: Simplify right side
    2,859,728.76x = 3,595,339,369,892.91
  5. Step 5: Solve for x
    x = 3,595,339,369,892.91/2,859,728.76
  6. Step 6: Final answer
    x = 1,257,230.90

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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.