Home / 3,145,280.30-4,710,922.05-2,585,408.30

Finding the Fourth Proportional to 3,145,280.30, 4,710,922.05 and 2,585,408.30

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Solution

The fourth proportional to 3,145,280.30, 4,710,922.05 and 2,585,408.30 is: 3,872,359.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145,280.30 : 4,710,922.05 = 2,585,408.30 : x
  2. Step 2: Convert to fraction form
    3,145,280.30/4,710,922.05 = 2,585,408.30/x
  3. Step 3: Cross multiply
    3,145,280.30x = 4,710,922.05 × 2,585,408.30
  4. Step 4: Simplify right side
    3,145,280.30x = 12,179,656,968,723.01
  5. Step 5: Solve for x
    x = 12,179,656,968,723.01/3,145,280.30
  6. Step 6: Final answer
    x = 3,872,359.79

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1.5x scale

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.