Home / 1,972,687.98-2,724,189.55-1,865,217.26

Finding the Fourth Proportional to 1,972,687.98, 2,724,189.55 and 1,865,217.26

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Solution

The fourth proportional to 1,972,687.98, 2,724,189.55 and 1,865,217.26 is: 2,575,777.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,687.98 : 2,724,189.55 = 1,865,217.26 : x
  2. Step 2: Convert to fraction form
    1,972,687.98/2,724,189.55 = 1,865,217.26/x
  3. Step 3: Cross multiply
    1,972,687.98x = 2,724,189.55 × 1,865,217.26
  4. Step 4: Simplify right side
    1,972,687.98x = 5,081,205,368,171.63
  5. Step 5: Solve for x
    x = 5,081,205,368,171.63/1,972,687.98
  6. Step 6: Final answer
    x = 2,575,777.53

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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.