Home / 5,638,945.65-7,781,536.40-3,060,571.11

Finding the Fourth Proportional to 5,638,945.65, 7,781,536.40 and 3,060,571.11

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Solution

The fourth proportional to 5,638,945.65, 7,781,536.40 and 3,060,571.11 is: 4,223,474.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638,945.65 : 7,781,536.40 = 3,060,571.11 : x
  2. Step 2: Convert to fraction form
    5,638,945.65/7,781,536.40 = 3,060,571.11/x
  3. Step 3: Cross multiply
    5,638,945.65x = 7,781,536.40 × 3,060,571.11
  4. Step 4: Simplify right side
    5,638,945.65x = 23,815,945,481,950.55
  5. Step 5: Solve for x
    x = 23,815,945,481,950.55/5,638,945.65
  6. Step 6: Final answer
    x = 4,223,474.91

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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.