Home / 4,188,480.17-6,279,121.93-1,455,672.51

Finding the Fourth Proportional to 4,188,480.17, 6,279,121.93 and 1,455,672.51

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Solution

The fourth proportional to 4,188,480.17, 6,279,121.93 and 1,455,672.51 is: 2,182,258.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188,480.17 : 6,279,121.93 = 1,455,672.51 : x
  2. Step 2: Convert to fraction form
    4,188,480.17/6,279,121.93 = 1,455,672.51/x
  3. Step 3: Cross multiply
    4,188,480.17x = 6,279,121.93 × 1,455,672.51
  4. Step 4: Simplify right side
    4,188,480.17x = 9,140,345,180,439.15
  5. Step 5: Solve for x
    x = 9,140,345,180,439.15/4,188,480.17
  6. Step 6: Final answer
    x = 2,182,258.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.