Home / 1,667,789.84-2,302,343.52-1,117,453.28

Finding the Fourth Proportional to 1,667,789.84, 2,302,343.52 and 1,117,453.28

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Solution

The fourth proportional to 1,667,789.84, 2,302,343.52 and 1,117,453.28 is: 1,542,617.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,667,789.84 : 2,302,343.52 = 1,117,453.28 : x
  2. Step 2: Convert to fraction form
    1,667,789.84/2,302,343.52 = 1,117,453.28/x
  3. Step 3: Cross multiply
    1,667,789.84x = 2,302,343.52 × 1,117,453.28
  4. Step 4: Simplify right side
    1,667,789.84x = 2,572,761,318,110.75
  5. Step 5: Solve for x
    x = 2,572,761,318,110.75/1,667,789.84
  6. Step 6: Final answer
    x = 1,542,617.21

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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.