Home / 4,087,648.80-5,640,685.47-2,455,086.12

Finding the Fourth Proportional to 4,087,648.80, 5,640,685.47 and 2,455,086.12

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Solution

The fourth proportional to 4,087,648.80, 5,640,685.47 and 2,455,086.12 is: 3,387,856.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087,648.80 : 5,640,685.47 = 2,455,086.12 : x
  2. Step 2: Convert to fraction form
    4,087,648.80/5,640,685.47 = 2,455,086.12/x
  3. Step 3: Cross multiply
    4,087,648.80x = 5,640,685.47 × 2,455,086.12
  4. Step 4: Simplify right side
    4,087,648.80x = 13,848,368,604,682.68
  5. Step 5: Solve for x
    x = 13,848,368,604,682.68/4,087,648.80
  6. Step 6: Final answer
    x = 3,387,856.76

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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.