Home / 2,557,208.57-3,530,098.65-1,686,559.76

Finding the Fourth Proportional to 2,557,208.57, 3,530,098.65 and 1,686,559.76

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Solution

The fourth proportional to 2,557,208.57, 3,530,098.65 and 1,686,559.76 is: 2,328,211.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,557,208.57 : 3,530,098.65 = 1,686,559.76 : x
  2. Step 2: Convert to fraction form
    2,557,208.57/3,530,098.65 = 1,686,559.76/x
  3. Step 3: Cross multiply
    2,557,208.57x = 3,530,098.65 × 1,686,559.76
  4. Step 4: Simplify right side
    2,557,208.57x = 5,953,722,333,832.30
  5. Step 5: Solve for x
    x = 5,953,722,333,832.30/2,557,208.57
  6. Step 6: Final answer
    x = 2,328,211.48

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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.