Home / 5,228,816.46-7,215,941.73-2,905,806.90

Finding the Fourth Proportional to 5,228,816.46, 7,215,941.73 and 2,905,806.90

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Solution

The fourth proportional to 5,228,816.46, 7,215,941.73 and 2,905,806.90 is: 4,010,110.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228,816.46 : 7,215,941.73 = 2,905,806.90 : x
  2. Step 2: Convert to fraction form
    5,228,816.46/7,215,941.73 = 2,905,806.90/x
  3. Step 3: Cross multiply
    5,228,816.46x = 7,215,941.73 × 2,905,806.90
  4. Step 4: Simplify right side
    5,228,816.46x = 20,968,133,269,031.94
  5. Step 5: Solve for x
    x = 20,968,133,269,031.94/5,228,816.46
  6. Step 6: Final answer
    x = 4,010,110.78

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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.