Home / 3,535,450.89-4,878,558.70-1,986,466.45

Finding the Fourth Proportional to 3,535,450.89, 4,878,558.70 and 1,986,466.45

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Solution

The fourth proportional to 3,535,450.89, 4,878,558.70 and 1,986,466.45 is: 2,741,119.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,535,450.89 : 4,878,558.70 = 1,986,466.45 : x
  2. Step 2: Convert to fraction form
    3,535,450.89/4,878,558.70 = 1,986,466.45/x
  3. Step 3: Cross multiply
    3,535,450.89x = 4,878,558.70 × 1,986,466.45
  4. Step 4: Simplify right side
    3,535,450.89x = 9,691,093,181,905.62
  5. Step 5: Solve for x
    x = 9,691,093,181,905.62/3,535,450.89
  6. Step 6: Final answer
    x = 2,741,119.45

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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.