Home / 1,458,003.40-2,189,337.90-986,777.80

Finding the Fourth Proportional to 1,458,003.40, 2,189,337.90 and 986,777.80

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Solution

The fourth proportional to 1,458,003.40, 2,189,337.90 and 986,777.80 is: 1,481,745.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,003.40 : 2,189,337.90 = 986,777.80 : x
  2. Step 2: Convert to fraction form
    1,458,003.40/2,189,337.90 = 986,777.80/x
  3. Step 3: Cross multiply
    1,458,003.40x = 2,189,337.90 × 986,777.80
  4. Step 4: Simplify right side
    1,458,003.40x = 2,160,390,036,418.62
  5. Step 5: Solve for x
    x = 2,160,390,036,418.62/1,458,003.40
  6. Step 6: Final answer
    x = 1,481,745.54

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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.