Home / 1,906,632.36-2,631,174.30-1,047,212.64

Finding the Fourth Proportional to 1,906,632.36, 2,631,174.30 and 1,047,212.64

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Solution

The fourth proportional to 1,906,632.36, 2,631,174.30 and 1,047,212.64 is: 1,445,165.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906,632.36 : 2,631,174.30 = 1,047,212.64 : x
  2. Step 2: Convert to fraction form
    1,906,632.36/2,631,174.30 = 1,047,212.64/x
  3. Step 3: Cross multiply
    1,906,632.36x = 2,631,174.30 × 1,047,212.64
  4. Step 4: Simplify right side
    1,906,632.36x = 2,755,398,985,003.15
  5. Step 5: Solve for x
    x = 2,755,398,985,003.15/1,906,632.36
  6. Step 6: Final answer
    x = 1,445,165.33

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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.