Home / 1,972,431.91-2,721,929.44-1,101,279.95

Finding the Fourth Proportional to 1,972,431.91, 2,721,929.44 and 1,101,279.95

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Solution

The fourth proportional to 1,972,431.91, 2,721,929.44 and 1,101,279.95 is: 1,519,751.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,431.91 : 2,721,929.44 = 1,101,279.95 : x
  2. Step 2: Convert to fraction form
    1,972,431.91/2,721,929.44 = 1,101,279.95/x
  3. Step 3: Cross multiply
    1,972,431.91x = 2,721,929.44 × 1,101,279.95
  4. Step 4: Simplify right side
    1,972,431.91x = 2,997,606,317,586.73
  5. Step 5: Solve for x
    x = 2,997,606,317,586.73/1,972,431.91
  6. Step 6: Final answer
    x = 1,519,751.48

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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.