Home / 1,905,785.64-2,629,234.05-1,089,550.77

Finding the Fourth Proportional to 1,905,785.64, 2,629,234.05 and 1,089,550.77

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Solution

The fourth proportional to 1,905,785.64, 2,629,234.05 and 1,089,550.77 is: 1,503,151.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,785.64 : 2,629,234.05 = 1,089,550.77 : x
  2. Step 2: Convert to fraction form
    1,905,785.64/2,629,234.05 = 1,089,550.77/x
  3. Step 3: Cross multiply
    1,905,785.64x = 2,629,234.05 × 1,089,550.77
  4. Step 4: Simplify right side
    1,905,785.64x = 2,864,683,983,687.72
  5. Step 5: Solve for x
    x = 2,864,683,983,687.72/1,905,785.64
  6. Step 6: Final answer
    x = 1,503,151.21

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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.