Home / 5,610,378.47-7,738,732.10-3,890,871.59

Finding the Fourth Proportional to 5,610,378.47, 7,738,732.10 and 3,890,871.59

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Solution

The fourth proportional to 5,610,378.47, 7,738,732.10 and 3,890,871.59 is: 5,366,912.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,610,378.47 : 7,738,732.10 = 3,890,871.59 : x
  2. Step 2: Convert to fraction form
    5,610,378.47/7,738,732.10 = 3,890,871.59/x
  3. Step 3: Cross multiply
    5,610,378.47x = 7,738,732.10 × 3,890,871.59
  4. Step 4: Simplify right side
    5,610,378.47x = 30,110,412,841,544.56
  5. Step 5: Solve for x
    x = 30,110,412,841,544.56/5,610,378.47
  6. Step 6: Final answer
    x = 5,366,912.95

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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.