Home / 2,920,331.70-4,380,497.55-2,808,357.30

Finding the Fourth Proportional to 2,920,331.70, 4,380,497.55 and 2,808,357.30

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Solution

The fourth proportional to 2,920,331.70, 4,380,497.55 and 2,808,357.30 is: 4,212,535.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920,331.70 : 4,380,497.55 = 2,808,357.30 : x
  2. Step 2: Convert to fraction form
    2,920,331.70/4,380,497.55 = 2,808,357.30/x
  3. Step 3: Cross multiply
    2,920,331.70x = 4,380,497.55 × 2,808,357.30
  4. Step 4: Simplify right side
    2,920,331.70x = 12,302,002,272,174.61
  5. Step 5: Solve for x
    x = 12,302,002,272,174.61/2,920,331.70
  6. Step 6: Final answer
    x = 4,212,535.95

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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.