Home / 1,996,090.70-2,751,737.09-1,422,134.42

Finding the Fourth Proportional to 1,996,090.70, 2,751,737.09 and 1,422,134.42

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Solution

The fourth proportional to 1,996,090.70, 2,751,737.09 and 1,422,134.42 is: 1,960,502.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,090.70 : 2,751,737.09 = 1,422,134.42 : x
  2. Step 2: Convert to fraction form
    1,996,090.70/2,751,737.09 = 1,422,134.42/x
  3. Step 3: Cross multiply
    1,996,090.70x = 2,751,737.09 × 1,422,134.42
  4. Step 4: Simplify right side
    1,996,090.70x = 3,913,340,009,610.28
  5. Step 5: Solve for x
    x = 3,913,340,009,610.28/1,996,090.70
  6. Step 6: Final answer
    x = 1,960,502.11

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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.