Home / 1,631,514.86-2,251,698.08-986,939.66

Finding the Fourth Proportional to 1,631,514.86, 2,251,698.08 and 986,939.66

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Solution

The fourth proportional to 1,631,514.86, 2,251,698.08 and 986,939.66 is: 1,362,102.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,514.86 : 2,251,698.08 = 986,939.66 : x
  2. Step 2: Convert to fraction form
    1,631,514.86/2,251,698.08 = 986,939.66/x
  3. Step 3: Cross multiply
    1,631,514.86x = 2,251,698.08 × 986,939.66
  4. Step 4: Simplify right side
    1,631,514.86x = 2,222,290,121,304.66
  5. Step 5: Solve for x
    x = 2,222,290,121,304.66/1,631,514.86
  6. Step 6: Final answer
    x = 1,362,102.29

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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.