Home / 3,288,257.70-4,927,720.95-2,428,620.90

Finding the Fourth Proportional to 3,288,257.70, 4,927,720.95 and 2,428,620.90

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Solution

The fourth proportional to 3,288,257.70, 4,927,720.95 and 2,428,620.90 is: 3,639,485.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288,257.70 : 4,927,720.95 = 2,428,620.90 : x
  2. Step 2: Convert to fraction form
    3,288,257.70/4,927,720.95 = 2,428,620.90/x
  3. Step 3: Cross multiply
    3,288,257.70x = 4,927,720.95 × 2,428,620.90
  4. Step 4: Simplify right side
    3,288,257.70x = 11,967,566,088,537.86
  5. Step 5: Solve for x
    x = 11,967,566,088,537.86/3,288,257.70
  6. Step 6: Final answer
    x = 3,639,485.46

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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.