Home / 2,721,937.20-4,082,905.80-1,910,122.80

Finding the Fourth Proportional to 2,721,937.20, 4,082,905.80 and 1,910,122.80

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Solution

The fourth proportional to 2,721,937.20, 4,082,905.80 and 1,910,122.80 is: 2,865,184.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721,937.20 : 4,082,905.80 = 1,910,122.80 : x
  2. Step 2: Convert to fraction form
    2,721,937.20/4,082,905.80 = 1,910,122.80/x
  3. Step 3: Cross multiply
    2,721,937.20x = 4,082,905.80 × 1,910,122.80
  4. Step 4: Simplify right side
    2,721,937.20x = 7,798,851,458,832.24
  5. Step 5: Solve for x
    x = 7,798,851,458,832.24/2,721,937.20
  6. Step 6: Final answer
    x = 2,865,184.20

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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.