Home / 5,240,448.56-7,231,960.32-2,948,690.72

Finding the Fourth Proportional to 5,240,448.56, 7,231,960.32 and 2,948,690.72

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Solution

The fourth proportional to 5,240,448.56, 7,231,960.32 and 2,948,690.72 is: 4,069,272.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240,448.56 : 7,231,960.32 = 2,948,690.72 : x
  2. Step 2: Convert to fraction form
    5,240,448.56/7,231,960.32 = 2,948,690.72/x
  3. Step 3: Cross multiply
    5,240,448.56x = 7,231,960.32 × 2,948,690.72
  4. Step 4: Simplify right side
    5,240,448.56x = 21,324,814,282,992.23
  5. Step 5: Solve for x
    x = 21,324,814,282,992.23/5,240,448.56
  6. Step 6: Final answer
    x = 4,069,272.70

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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.