Home / 5,174,041.06-7,761,997.14-2,139,759.60

Finding the Fourth Proportional to 5,174,041.06, 7,761,997.14 and 2,139,759.60

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Solution

The fourth proportional to 5,174,041.06, 7,761,997.14 and 2,139,759.60 is: 3,210,026.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174,041.06 : 7,761,997.14 = 2,139,759.60 : x
  2. Step 2: Convert to fraction form
    5,174,041.06/7,761,997.14 = 2,139,759.60/x
  3. Step 3: Cross multiply
    5,174,041.06x = 7,761,997.14 × 2,139,759.60
  4. Step 4: Simplify right side
    5,174,041.06x = 16,608,807,895,487.54
  5. Step 5: Solve for x
    x = 16,608,807,895,487.54/5,174,041.06
  6. Step 6: Final answer
    x = 3,210,026.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.