Home / 2,619,485.33-3,929,881.92-913,653.14

Finding the Fourth Proportional to 2,619,485.33, 3,929,881.92 and 913,653.14

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Solution

The fourth proportional to 2,619,485.33, 3,929,881.92 and 913,653.14 is: 1,370,707.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619,485.33 : 3,929,881.92 = 913,653.14 : x
  2. Step 2: Convert to fraction form
    2,619,485.33/3,929,881.92 = 913,653.14/x
  3. Step 3: Cross multiply
    2,619,485.33x = 3,929,881.92 × 913,653.14
  4. Step 4: Simplify right side
    2,619,485.33x = 3,590,548,931,819.55
  5. Step 5: Solve for x
    x = 3,590,548,931,819.55/2,619,485.33
  6. Step 6: Final answer
    x = 1,370,707.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.