Home / 1,947,082.32-2,917,129.14-1,188,533.52

Finding the Fourth Proportional to 1,947,082.32, 2,917,129.14 and 1,188,533.52

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Solution

The fourth proportional to 1,947,082.32, 2,917,129.14 and 1,188,533.52 is: 1,780,667.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,082.32 : 2,917,129.14 = 1,188,533.52 : x
  2. Step 2: Convert to fraction form
    1,947,082.32/2,917,129.14 = 1,188,533.52/x
  3. Step 3: Cross multiply
    1,947,082.32x = 2,917,129.14 × 1,188,533.52
  4. Step 4: Simplify right side
    1,947,082.32x = 3,467,105,765,058.77
  5. Step 5: Solve for x
    x = 3,467,105,765,058.77/1,947,082.32
  6. Step 6: Final answer
    x = 1,780,667.27

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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.