Home / 6,129,280.80-9,187,360.20-2,082,018.60

Finding the Fourth Proportional to 6,129,280.80, 9,187,360.20 and 2,082,018.60

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Solution

The fourth proportional to 6,129,280.80, 9,187,360.20 and 2,082,018.60 is: 3,120,799.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,129,280.80 : 9,187,360.20 = 2,082,018.60 : x
  2. Step 2: Convert to fraction form
    6,129,280.80/9,187,360.20 = 2,082,018.60/x
  3. Step 3: Cross multiply
    6,129,280.80x = 9,187,360.20 × 2,082,018.60
  4. Step 4: Simplify right side
    6,129,280.80x = 19,128,254,821,299.72
  5. Step 5: Solve for x
    x = 19,128,254,821,299.72/6,129,280.80
  6. Step 6: Final answer
    x = 3,120,799.23

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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.