Home / 2,009,633.48-2,771,767.32-1,390,469.48

Finding the Fourth Proportional to 2,009,633.48, 2,771,767.32 and 1,390,469.48

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Solution

The fourth proportional to 2,009,633.48, 2,771,767.32 and 1,390,469.48 is: 1,917,791.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009,633.48 : 2,771,767.32 = 1,390,469.48 : x
  2. Step 2: Convert to fraction form
    2,009,633.48/2,771,767.32 = 1,390,469.48/x
  3. Step 3: Cross multiply
    2,009,633.48x = 2,771,767.32 × 1,390,469.48
  4. Step 4: Simplify right side
    2,009,633.48x = 3,854,057,864,121.39
  5. Step 5: Solve for x
    x = 3,854,057,864,121.39/2,009,633.48
  6. Step 6: Final answer
    x = 1,917,791.43

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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.