Home / 2,129,481.03-2,938,638.92-1,162,564.59

Finding the Fourth Proportional to 2,129,481.03, 2,938,638.92 and 1,162,564.59

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Solution

The fourth proportional to 2,129,481.03, 2,938,638.92 and 1,162,564.59 is: 1,604,314.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,481.03 : 2,938,638.92 = 1,162,564.59 : x
  2. Step 2: Convert to fraction form
    2,129,481.03/2,938,638.92 = 1,162,564.59/x
  3. Step 3: Cross multiply
    2,129,481.03x = 2,938,638.92 × 1,162,564.59
  4. Step 4: Simplify right side
    2,129,481.03x = 3,416,357,545,375.02
  5. Step 5: Solve for x
    x = 3,416,357,545,375.02/2,129,481.03
  6. Step 6: Final answer
    x = 1,604,314.62

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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.