Home / 1,826,578.35-2,728,667.16-1,316,788.65

Finding the Fourth Proportional to 1,826,578.35, 2,728,667.16 and 1,316,788.65

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Solution

The fourth proportional to 1,826,578.35, 2,728,667.16 and 1,316,788.65 is: 1,967,108.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,826,578.35 : 2,728,667.16 = 1,316,788.65 : x
  2. Step 2: Convert to fraction form
    1,826,578.35/2,728,667.16 = 1,316,788.65/x
  3. Step 3: Cross multiply
    1,826,578.35x = 2,728,667.16 × 1,316,788.65
  4. Step 4: Simplify right side
    1,826,578.35x = 3,593,077,932,272.40
  5. Step 5: Solve for x
    x = 3,593,077,932,272.40/1,826,578.35
  6. Step 6: Final answer
    x = 1,967,108.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.