Home / 1,865,905.39-2,795,942.07-1,298,395.30

Finding the Fourth Proportional to 1,865,905.39, 2,795,942.07 and 1,298,395.30

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Solution

The fourth proportional to 1,865,905.39, 2,795,942.07 and 1,298,395.30 is: 1,945,563.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865,905.39 : 2,795,942.07 = 1,298,395.30 : x
  2. Step 2: Convert to fraction form
    1,865,905.39/2,795,942.07 = 1,298,395.30/x
  3. Step 3: Cross multiply
    1,865,905.39x = 2,795,942.07 × 1,298,395.30
  4. Step 4: Simplify right side
    1,865,905.39x = 3,630,238,042,760.27
  5. Step 5: Solve for x
    x = 3,630,238,042,760.27/1,865,905.39
  6. Step 6: Final answer
    x = 1,945,563.83

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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.