Home / 3,219,899.40-4,830,014.52-823,764.69

Finding the Fourth Proportional to 3,219,899.40, 4,830,014.52 and 823,764.69

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Solution

The fourth proportional to 3,219,899.40, 4,830,014.52 and 823,764.69 is: 1,235,689.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219,899.40 : 4,830,014.52 = 823,764.69 : x
  2. Step 2: Convert to fraction form
    3,219,899.40/4,830,014.52 = 823,764.69/x
  3. Step 3: Cross multiply
    3,219,899.40x = 4,830,014.52 × 823,764.69
  4. Step 4: Simplify right side
    3,219,899.40x = 3,978,795,413,763.30
  5. Step 5: Solve for x
    x = 3,978,795,413,763.30/3,219,899.40
  6. Step 6: Final answer
    x = 1,235,689.36

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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.