Home / 1,911,919.99-2,638,476.75-1,040,781.37

Finding the Fourth Proportional to 1,911,919.99, 2,638,476.75 and 1,040,781.37

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Solution

The fourth proportional to 1,911,919.99, 2,638,476.75 and 1,040,781.37 is: 1,436,293.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,919.99 : 2,638,476.75 = 1,040,781.37 : x
  2. Step 2: Convert to fraction form
    1,911,919.99/2,638,476.75 = 1,040,781.37/x
  3. Step 3: Cross multiply
    1,911,919.99x = 2,638,476.75 × 1,040,781.37
  4. Step 4: Simplify right side
    1,911,919.99x = 2,746,077,446,578.15
  5. Step 5: Solve for x
    x = 2,746,077,446,578.15/1,911,919.99
  6. Step 6: Final answer
    x = 1,436,293.08

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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.