Home / 3,458,831.40-5,194,079.10-2,889,628.20

Finding the Fourth Proportional to 3,458,831.40, 5,194,079.10 and 2,889,628.20

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Solution

The fourth proportional to 3,458,831.40, 5,194,079.10 and 2,889,628.20 is: 4,339,314.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458,831.40 : 5,194,079.10 = 2,889,628.20 : x
  2. Step 2: Convert to fraction form
    3,458,831.40/5,194,079.10 = 2,889,628.20/x
  3. Step 3: Cross multiply
    3,458,831.40x = 5,194,079.10 × 2,889,628.20
  4. Step 4: Simplify right side
    3,458,831.40x = 15,008,957,440,390.62
  5. Step 5: Solve for x
    x = 15,008,957,440,390.62/3,458,831.40
  6. Step 6: Final answer
    x = 4,339,314.56

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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.