Home / 1,769,120.82-2,439,457.41-1,195,164.42

Finding the Fourth Proportional to 1,769,120.82, 2,439,457.41 and 1,195,164.42

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Solution

The fourth proportional to 1,769,120.82, 2,439,457.41 and 1,195,164.42 is: 1,648,023.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769,120.82 : 2,439,457.41 = 1,195,164.42 : x
  2. Step 2: Convert to fraction form
    1,769,120.82/2,439,457.41 = 1,195,164.42/x
  3. Step 3: Cross multiply
    1,769,120.82x = 2,439,457.41 × 1,195,164.42
  4. Step 4: Simplify right side
    1,769,120.82x = 2,915,552,700,537.35
  5. Step 5: Solve for x
    x = 2,915,552,700,537.35/1,769,120.82
  6. Step 6: Final answer
    x = 1,648,023.51

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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.