Home / 1,933,158.72-2,667,968.64-1,169,633.28

Finding the Fourth Proportional to 1,933,158.72, 2,667,968.64 and 1,169,633.28

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Solution

The fourth proportional to 1,933,158.72, 2,667,968.64 and 1,169,633.28 is: 1,614,220.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933,158.72 : 2,667,968.64 = 1,169,633.28 : x
  2. Step 2: Convert to fraction form
    1,933,158.72/2,667,968.64 = 1,169,633.28/x
  3. Step 3: Cross multiply
    1,933,158.72x = 2,667,968.64 × 1,169,633.28
  4. Step 4: Simplify right side
    1,933,158.72x = 3,120,544,911,340.34
  5. Step 5: Solve for x
    x = 3,120,544,911,340.34/1,933,158.72
  6. Step 6: Final answer
    x = 1,614,220.75

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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.