Home / 1,925,165.75-2,656,876.28-1,098,257.51

Finding the Fourth Proportional to 1,925,165.75, 2,656,876.28 and 1,098,257.51

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Solution

The fourth proportional to 1,925,165.75, 2,656,876.28 and 1,098,257.51 is: 1,515,679.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925,165.75 : 2,656,876.28 = 1,098,257.51 : x
  2. Step 2: Convert to fraction form
    1,925,165.75/2,656,876.28 = 1,098,257.51/x
  3. Step 3: Cross multiply
    1,925,165.75x = 2,656,876.28 × 1,098,257.51
  4. Step 4: Simplify right side
    1,925,165.75x = 2,917,934,328,801.77
  5. Step 5: Solve for x
    x = 2,917,934,328,801.77/1,925,165.75
  6. Step 6: Final answer
    x = 1,515,679.54

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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.