Home / 6,129,643.80-9,187,904.70-2,082,381.60

Finding the Fourth Proportional to 6,129,643.80, 9,187,904.70 and 2,082,381.60

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Solution

The fourth proportional to 6,129,643.80, 9,187,904.70 and 2,082,381.60 is: 3,121,343.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,129,643.80 : 9,187,904.70 = 2,082,381.60 : x
  2. Step 2: Convert to fraction form
    6,129,643.80/9,187,904.70 = 2,082,381.60/x
  3. Step 3: Cross multiply
    6,129,643.80x = 9,187,904.70 × 2,082,381.60
  4. Step 4: Simplify right side
    6,129,643.80x = 19,132,723,689,833.52
  5. Step 5: Solve for x
    x = 19,132,723,689,833.52/6,129,643.80
  6. Step 6: Final answer
    x = 3,121,343.48

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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.