Home / 3,215,454.30-4,437,163.98-1,908,762.20

Finding the Fourth Proportional to 3,215,454.30, 4,437,163.98 and 1,908,762.20

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Solution

The fourth proportional to 3,215,454.30, 4,437,163.98 and 1,908,762.20 is: 2,633,995.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215,454.30 : 4,437,163.98 = 1,908,762.20 : x
  2. Step 2: Convert to fraction form
    3,215,454.30/4,437,163.98 = 1,908,762.20/x
  3. Step 3: Cross multiply
    3,215,454.30x = 4,437,163.98 × 1,908,762.20
  4. Step 4: Simplify right side
    3,215,454.30x = 8,469,490,880,225.56
  5. Step 5: Solve for x
    x = 8,469,490,880,225.56/3,215,454.30
  6. Step 6: Final answer
    x = 2,633,995.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.