Home / 3,613,134.06-5,419,703.52-917,661.42

Finding the Fourth Proportional to 3,613,134.06, 5,419,703.52 and 917,661.42

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Solution

The fourth proportional to 3,613,134.06, 5,419,703.52 and 917,661.42 is: 1,376,492.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613,134.06 : 5,419,703.52 = 917,661.42 : x
  2. Step 2: Convert to fraction form
    3,613,134.06/5,419,703.52 = 917,661.42/x
  3. Step 3: Cross multiply
    3,613,134.06x = 5,419,703.52 × 917,661.42
  4. Step 4: Simplify right side
    3,613,134.06x = 4,973,452,828,142.20
  5. Step 5: Solve for x
    x = 4,973,452,828,142.20/3,613,134.06
  6. Step 6: Final answer
    x = 1,376,492.75

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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.