Home / 2,515,665.40-3,773,325.30-809,783.80

Finding the Fourth Proportional to 2,515,665.40, 3,773,325.30 and 809,783.80

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Solution

The fourth proportional to 2,515,665.40, 3,773,325.30 and 809,783.80 is: 1,214,620.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,515,665.40 : 3,773,325.30 = 809,783.80 : x
  2. Step 2: Convert to fraction form
    2,515,665.40/3,773,325.30 = 809,783.80/x
  3. Step 3: Cross multiply
    2,515,665.40x = 3,773,325.30 × 809,783.80
  4. Step 4: Simplify right side
    2,515,665.40x = 3,055,577,700,070.14
  5. Step 5: Solve for x
    x = 3,055,577,700,070.14/2,515,665.40
  6. Step 6: Final answer
    x = 1,214,620.08

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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.