Home / 3,119,655.20-4,305,202.32-1,761,537.76

Finding the Fourth Proportional to 3,119,655.20, 4,305,202.32 and 1,761,537.76

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Solution

The fourth proportional to 3,119,655.20, 4,305,202.32 and 1,761,537.76 is: 2,430,966.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,655.20 : 4,305,202.32 = 1,761,537.76 : x
  2. Step 2: Convert to fraction form
    3,119,655.20/4,305,202.32 = 1,761,537.76/x
  3. Step 3: Cross multiply
    3,119,655.20x = 4,305,202.32 × 1,761,537.76
  4. Step 4: Simplify right side
    3,119,655.20x = 7,583,776,451,119.60
  5. Step 5: Solve for x
    x = 7,583,776,451,119.60/3,119,655.20
  6. Step 6: Final answer
    x = 2,430,966.23

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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.