Home / 3,945,776.16-5,915,109.93-1,419,654

Finding the Fourth Proportional to 3,945,776.16, 5,915,109.93 and 1,419,654

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Solution

The fourth proportional to 3,945,776.16, 5,915,109.93 and 1,419,654 is: 2,128,202.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945,776.16 : 5,915,109.93 = 1,419,654 : x
  2. Step 2: Convert to fraction form
    3,945,776.16/5,915,109.93 = 1,419,654/x
  3. Step 3: Cross multiply
    3,945,776.16x = 5,915,109.93 × 1,419,654
  4. Step 4: Simplify right side
    3,945,776.16x = 8,397,409,472,564.22
  5. Step 5: Solve for x
    x = 8,397,409,472,564.22/3,945,776.16
  6. Step 6: Final answer
    x = 2,128,202.19

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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.