Home / 3,711,206.79-5,121,378.77-2,183,412.33

Finding the Fourth Proportional to 3,711,206.79, 5,121,378.77 and 2,183,412.33

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Solution

The fourth proportional to 3,711,206.79, 5,121,378.77 and 2,183,412.33 is: 3,013,058.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711,206.79 : 5,121,378.77 = 2,183,412.33 : x
  2. Step 2: Convert to fraction form
    3,711,206.79/5,121,378.77 = 2,183,412.33/x
  3. Step 3: Cross multiply
    3,711,206.79x = 5,121,378.77 × 2,183,412.33
  4. Step 4: Simplify right side
    3,711,206.79x = 11,182,081,542,101.17
  5. Step 5: Solve for x
    x = 11,182,081,542,101.17/3,711,206.79
  6. Step 6: Final answer
    x = 3,013,058.06

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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.