Home / 3,388,788.20-5,083,149.90-830,014.40

Finding the Fourth Proportional to 3,388,788.20, 5,083,149.90 and 830,014.40

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Solution

The fourth proportional to 3,388,788.20, 5,083,149.90 and 830,014.40 is: 1,245,013.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388,788.20 : 5,083,149.90 = 830,014.40 : x
  2. Step 2: Convert to fraction form
    3,388,788.20/5,083,149.90 = 830,014.40/x
  3. Step 3: Cross multiply
    3,388,788.20x = 5,083,149.90 × 830,014.40
  4. Step 4: Simplify right side
    3,388,788.20x = 4,219,087,614,358.56
  5. Step 5: Solve for x
    x = 4,219,087,614,358.56/3,388,788.20
  6. Step 6: Final answer
    x = 1,245,013.66

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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.