Home / 2,910,647.03-3,987,600.80-2,801,558.21

Finding the Fourth Proportional to 2,910,647.03, 3,987,600.80 and 2,801,558.21

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Solution

The fourth proportional to 2,910,647.03, 3,987,600.80 and 2,801,558.21 is: 3,838,148.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910,647.03 : 3,987,600.80 = 2,801,558.21 : x
  2. Step 2: Convert to fraction form
    2,910,647.03/3,987,600.80 = 2,801,558.21/x
  3. Step 3: Cross multiply
    2,910,647.03x = 3,987,600.80 × 2,801,558.21
  4. Step 4: Simplify right side
    2,910,647.03x = 11,171,495,725,496.77
  5. Step 5: Solve for x
    x = 11,171,495,725,496.77/2,910,647.03
  6. Step 6: Final answer
    x = 3,838,148.57

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.