Home / 5,328,315.20-7,985,911.80-3,622,455.20

Finding the Fourth Proportional to 5,328,315.20, 7,985,911.80 and 3,622,455.20

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Solution

The fourth proportional to 5,328,315.20, 7,985,911.80 and 3,622,455.20 is: 5,429,222.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328,315.20 : 7,985,911.80 = 3,622,455.20 : x
  2. Step 2: Convert to fraction form
    5,328,315.20/7,985,911.80 = 3,622,455.20/x
  3. Step 3: Cross multiply
    5,328,315.20x = 7,985,911.80 × 3,622,455.20
  4. Step 4: Simplify right side
    5,328,315.20x = 28,928,607,726,651.36
  5. Step 5: Solve for x
    x = 28,928,607,726,651.36/5,328,315.20
  6. Step 6: Final answer
    x = 5,429,222.30

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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.