Home / 3,828,638.75-5,283,556.90-2,109,820.77

Finding the Fourth Proportional to 3,828,638.75, 5,283,556.90 and 2,109,820.77

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Solution

The fourth proportional to 3,828,638.75, 5,283,556.90 and 2,109,820.77 is: 2,911,572.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828,638.75 : 5,283,556.90 = 2,109,820.77 : x
  2. Step 2: Convert to fraction form
    3,828,638.75/5,283,556.90 = 2,109,820.77/x
  3. Step 3: Cross multiply
    3,828,638.75x = 5,283,556.90 × 2,109,820.77
  4. Step 4: Simplify right side
    3,828,638.75x = 11,147,358,081,822.26
  5. Step 5: Solve for x
    x = 11,147,358,081,822.26/3,828,638.75
  6. Step 6: Final answer
    x = 2,911,572.19

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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.