Home / 1,995,796.72-2,753,417.64-1,230,521.68

Finding the Fourth Proportional to 1,995,796.72, 2,753,417.64 and 1,230,521.68

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Solution

The fourth proportional to 1,995,796.72, 2,753,417.64 and 1,230,521.68 is: 1,697,637.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,796.72 : 2,753,417.64 = 1,230,521.68 : x
  2. Step 2: Convert to fraction form
    1,995,796.72/2,753,417.64 = 1,230,521.68/x
  3. Step 3: Cross multiply
    1,995,796.72x = 2,753,417.64 × 1,230,521.68
  4. Step 4: Simplify right side
    1,995,796.72x = 3,388,140,100,114.44
  5. Step 5: Solve for x
    x = 3,388,140,100,114.44/1,995,796.72
  6. Step 6: Final answer
    x = 1,697,637.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.