Home / 1,972,833.56-2,957,036.85-1,291,032.21

Finding the Fourth Proportional to 1,972,833.56, 2,957,036.85 and 1,291,032.21

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Solution

The fourth proportional to 1,972,833.56, 2,957,036.85 and 1,291,032.21 is: 1,935,099.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,833.56 : 2,957,036.85 = 1,291,032.21 : x
  2. Step 2: Convert to fraction form
    1,972,833.56/2,957,036.85 = 1,291,032.21/x
  3. Step 3: Cross multiply
    1,972,833.56x = 2,957,036.85 × 1,291,032.21
  4. Step 4: Simplify right side
    1,972,833.56x = 3,817,629,804,721.75
  5. Step 5: Solve for x
    x = 3,817,629,804,721.75/1,972,833.56
  6. Step 6: Final answer
    x = 1,935,099.79

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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.