Home / 3,195,941.76-4,405,276.80-2,163,123.72

Finding the Fourth Proportional to 3,195,941.76, 4,405,276.80 and 2,163,123.72

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Solution

The fourth proportional to 3,195,941.76, 4,405,276.80 and 2,163,123.72 is: 2,981,643.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195,941.76 : 4,405,276.80 = 2,163,123.72 : x
  2. Step 2: Convert to fraction form
    3,195,941.76/4,405,276.80 = 2,163,123.72/x
  3. Step 3: Cross multiply
    3,195,941.76x = 4,405,276.80 × 2,163,123.72
  4. Step 4: Simplify right side
    3,195,941.76x = 9,529,158,739,245.70
  5. Step 5: Solve for x
    x = 9,529,158,739,245.70/3,195,941.76
  6. Step 6: Final answer
    x = 2,981,643.43

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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.