Home / 2,587,893.03-3,571,212.80-1,621,556.15

Finding the Fourth Proportional to 2,587,893.03, 3,571,212.80 and 1,621,556.15

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Solution

The fourth proportional to 2,587,893.03, 3,571,212.80 and 1,621,556.15 is: 2,237,697.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587,893.03 : 3,571,212.80 = 1,621,556.15 : x
  2. Step 2: Convert to fraction form
    2,587,893.03/3,571,212.80 = 1,621,556.15/x
  3. Step 3: Cross multiply
    2,587,893.03x = 3,571,212.80 × 1,621,556.15
  4. Step 4: Simplify right side
    2,587,893.03x = 5,790,922,064,996.55
  5. Step 5: Solve for x
    x = 5,790,922,064,996.55/2,587,893.03
  6. Step 6: Final answer
    x = 2,237,697.62

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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.