Home / 2,582,485.20-3,873,873.60-785,427.30

Finding the Fourth Proportional to 2,582,485.20, 3,873,873.60 and 785,427.30

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Solution

The fourth proportional to 2,582,485.20, 3,873,873.60 and 785,427.30 is: 1,178,185.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,582,485.20 : 3,873,873.60 = 785,427.30 : x
  2. Step 2: Convert to fraction form
    2,582,485.20/3,873,873.60 = 785,427.30/x
  3. Step 3: Cross multiply
    2,582,485.20x = 3,873,873.60 × 785,427.30
  4. Step 4: Simplify right side
    2,582,485.20x = 3,042,646,082,189.28
  5. Step 5: Solve for x
    x = 3,042,646,082,189.28/2,582,485.20
  6. Step 6: Final answer
    x = 1,178,185.29

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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.