Home / 5,081,429.70-7,012,513.35-2,876,117.22

Finding the Fourth Proportional to 5,081,429.70, 7,012,513.35 and 2,876,117.22

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Solution

The fourth proportional to 5,081,429.70, 7,012,513.35 and 2,876,117.22 is: 3,969,121.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081,429.70 : 7,012,513.35 = 2,876,117.22 : x
  2. Step 2: Convert to fraction form
    5,081,429.70/7,012,513.35 = 2,876,117.22/x
  3. Step 3: Cross multiply
    5,081,429.70x = 7,012,513.35 × 2,876,117.22
  4. Step 4: Simplify right side
    5,081,429.70x = 20,168,810,401,414.89
  5. Step 5: Solve for x
    x = 20,168,810,401,414.89/5,081,429.70
  6. Step 6: Final answer
    x = 3,969,121.21

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1.5x scale

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.