Home / 3,886,389.97-5,828,321.94-1,291,998.35

Finding the Fourth Proportional to 3,886,389.97, 5,828,321.94 and 1,291,998.35

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Solution

The fourth proportional to 3,886,389.97, 5,828,321.94 and 1,291,998.35 is: 1,937,577.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,389.97 : 5,828,321.94 = 1,291,998.35 : x
  2. Step 2: Convert to fraction form
    3,886,389.97/5,828,321.94 = 1,291,998.35/x
  3. Step 3: Cross multiply
    3,886,389.97x = 5,828,321.94 × 1,291,998.35
  4. Step 4: Simplify right side
    3,886,389.97x = 7,530,182,313,957.79
  5. Step 5: Solve for x
    x = 7,530,182,313,957.79/3,886,389.97
  6. Step 6: Final answer
    x = 1,937,577.64

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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.