Home / 1,910,313.26-2,635,992.16-1,291,464.16

Finding the Fourth Proportional to 1,910,313.26, 2,635,992.16 and 1,291,464.16

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Solution

The fourth proportional to 1,910,313.26, 2,635,992.16 and 1,291,464.16 is: 1,782,058.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910,313.26 : 2,635,992.16 = 1,291,464.16 : x
  2. Step 2: Convert to fraction form
    1,910,313.26/2,635,992.16 = 1,291,464.16/x
  3. Step 3: Cross multiply
    1,910,313.26x = 2,635,992.16 × 1,291,464.16
  4. Step 4: Simplify right side
    1,910,313.26x = 3,404,289,400,680.99
  5. Step 5: Solve for x
    x = 3,404,289,400,680.99/1,910,313.26
  6. Step 6: Final answer
    x = 1,782,058.20

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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.