Home / 4,087,015.28-5,640,081.12-2,276,179.28

Finding the Fourth Proportional to 4,087,015.28, 5,640,081.12 and 2,276,179.28

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Solution

The fourth proportional to 4,087,015.28, 5,640,081.12 and 2,276,179.28 is: 3,141,127.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087,015.28 : 5,640,081.12 = 2,276,179.28 : x
  2. Step 2: Convert to fraction form
    4,087,015.28/5,640,081.12 = 2,276,179.28/x
  3. Step 3: Cross multiply
    4,087,015.28x = 5,640,081.12 × 2,276,179.28
  4. Step 4: Simplify right side
    4,087,015.28x = 12,837,835,782,863.19
  5. Step 5: Solve for x
    x = 12,837,835,782,863.19/4,087,015.28
  6. Step 6: Final answer
    x = 3,141,127.43

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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.