Home / 6,238,105.80-9,357,450.30-1,978,607.40

Finding the Fourth Proportional to 6,238,105.80, 9,357,450.30 and 1,978,607.40

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Solution

The fourth proportional to 6,238,105.80, 9,357,450.30 and 1,978,607.40 is: 2,968,003.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,238,105.80 : 9,357,450.30 = 1,978,607.40 : x
  2. Step 2: Convert to fraction form
    6,238,105.80/9,357,450.30 = 1,978,607.40/x
  3. Step 3: Cross multiply
    6,238,105.80x = 9,357,450.30 × 1,978,607.40
  4. Step 4: Simplify right side
    6,238,105.80x = 18,514,720,408,712.22
  5. Step 5: Solve for x
    x = 18,514,720,408,712.22/6,238,105.80
  6. Step 6: Final answer
    x = 2,968,003.59

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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.