Home / 1,970,455.82-2,956,790.56-1,071,960.26

Finding the Fourth Proportional to 1,970,455.82, 2,956,790.56 and 1,071,960.26

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Solution

The fourth proportional to 1,970,455.82, 2,956,790.56 and 1,071,960.26 is: 1,608,542.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970,455.82 : 2,956,790.56 = 1,071,960.26 : x
  2. Step 2: Convert to fraction form
    1,970,455.82/2,956,790.56 = 1,071,960.26/x
  3. Step 3: Cross multiply
    1,970,455.82x = 2,956,790.56 × 1,071,960.26
  4. Step 4: Simplify right side
    1,970,455.82x = 3,169,561,977,463.15
  5. Step 5: Solve for x
    x = 3,169,561,977,463.15/1,970,455.82
  6. Step 6: Final answer
    x = 1,608,542.52

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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.