Home / 2,312,619.06-3,191,375.64-1,280,104.71

Finding the Fourth Proportional to 2,312,619.06, 3,191,375.64 and 1,280,104.71

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Solution

The fourth proportional to 2,312,619.06, 3,191,375.64 and 1,280,104.71 is: 1,766,523.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312,619.06 : 3,191,375.64 = 1,280,104.71 : x
  2. Step 2: Convert to fraction form
    2,312,619.06/3,191,375.64 = 1,280,104.71/x
  3. Step 3: Cross multiply
    2,312,619.06x = 3,191,375.64 × 1,280,104.71
  4. Step 4: Simplify right side
    2,312,619.06x = 4,085,294,988,143.26
  5. Step 5: Solve for x
    x = 4,085,294,988,143.26/2,312,619.06
  6. Step 6: Final answer
    x = 1,766,523.10

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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.