Home / 6,238,052.40-9,356,203.80-1,978,651.20

Finding the Fourth Proportional to 6,238,052.40, 9,356,203.80 and 1,978,651.20

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Solution

The fourth proportional to 6,238,052.40, 9,356,203.80 and 1,978,651.20 is: 2,967,699.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,238,052.40 : 9,356,203.80 = 1,978,651.20 : x
  2. Step 2: Convert to fraction form
    6,238,052.40/9,356,203.80 = 1,978,651.20/x
  3. Step 3: Cross multiply
    6,238,052.40x = 9,356,203.80 × 1,978,651.20
  4. Step 4: Simplify right side
    6,238,052.40x = 18,512,663,876,314.56
  5. Step 5: Solve for x
    x = 18,512,663,876,314.56/6,238,052.40
  6. Step 6: Final answer
    x = 2,967,699.32

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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.