Home / 2,811,223.36-3,879,470.46-1,522,059.76

Finding the Fourth Proportional to 2,811,223.36, 3,879,470.46 and 1,522,059.76

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Solution

The fourth proportional to 2,811,223.36, 3,879,470.46 and 1,522,059.76 is: 2,100,432.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,223.36 : 3,879,470.46 = 1,522,059.76 : x
  2. Step 2: Convert to fraction form
    2,811,223.36/3,879,470.46 = 1,522,059.76/x
  3. Step 3: Cross multiply
    2,811,223.36x = 3,879,470.46 × 1,522,059.76
  4. Step 4: Simplify right side
    2,811,223.36x = 5,904,785,877,274.69
  5. Step 5: Solve for x
    x = 5,904,785,877,274.69/2,811,223.36
  6. Step 6: Final answer
    x = 2,100,432.84

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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.