Home / 3,905,550.80-5,858,880.77-1,210,087.88

Finding the Fourth Proportional to 3,905,550.80, 5,858,880.77 and 1,210,087.88

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Solution

The fourth proportional to 3,905,550.80, 5,858,880.77 and 1,210,087.88 is: 1,815,303.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905,550.80 : 5,858,880.77 = 1,210,087.88 : x
  2. Step 2: Convert to fraction form
    3,905,550.80/5,858,880.77 = 1,210,087.88/x
  3. Step 3: Cross multiply
    3,905,550.80x = 5,858,880.77 × 1,210,087.88
  4. Step 4: Simplify right side
    3,905,550.80x = 7,089,760,583,872.88
  5. Step 5: Solve for x
    x = 7,089,760,583,872.88/3,905,550.80
  6. Step 6: Final answer
    x = 1,815,303.64

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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.