Home / 1,911,898.83-2,638,453.94-1,040,758.57

Finding the Fourth Proportional to 1,911,898.83, 2,638,453.94 and 1,040,758.57

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Solution

The fourth proportional to 1,911,898.83, 2,638,453.94 and 1,040,758.57 is: 1,436,265.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,898.83 : 2,638,453.94 = 1,040,758.57 : x
  2. Step 2: Convert to fraction form
    1,911,898.83/2,638,453.94 = 1,040,758.57/x
  3. Step 3: Cross multiply
    1,911,898.83x = 2,638,453.94 × 1,040,758.57
  4. Step 4: Simplify right side
    1,911,898.83x = 2,745,993,549,605.27
  5. Step 5: Solve for x
    x = 2,745,993,549,605.27/1,911,898.83
  6. Step 6: Final answer
    x = 1,436,265.09

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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.