Home / 1,606,190.32-2,216,605.80-881,064.64

Finding the Fourth Proportional to 1,606,190.32, 2,216,605.80 and 881,064.64

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Solution

The fourth proportional to 1,606,190.32, 2,216,605.80 and 881,064.64 is: 1,215,903.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,606,190.32 : 2,216,605.80 = 881,064.64 : x
  2. Step 2: Convert to fraction form
    1,606,190.32/2,216,605.80 = 881,064.64/x
  3. Step 3: Cross multiply
    1,606,190.32x = 2,216,605.80 × 881,064.64
  4. Step 4: Simplify right side
    1,606,190.32x = 1,952,972,991,198.91
  5. Step 5: Solve for x
    x = 1,952,972,991,198.91/1,606,190.32
  6. Step 6: Final answer
    x = 1,215,903.85

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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.