Home / 1,879,108.56-2,592,085.32-1,199,278.80

Finding the Fourth Proportional to 1,879,108.56, 2,592,085.32 and 1,199,278.80

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Solution

The fourth proportional to 1,879,108.56, 2,592,085.32 and 1,199,278.80 is: 1,654,312.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,108.56 : 2,592,085.32 = 1,199,278.80 : x
  2. Step 2: Convert to fraction form
    1,879,108.56/2,592,085.32 = 1,199,278.80/x
  3. Step 3: Cross multiply
    1,879,108.56x = 2,592,085.32 × 1,199,278.80
  4. Step 4: Simplify right side
    1,879,108.56x = 3,108,632,972,067.22
  5. Step 5: Solve for x
    x = 3,108,632,972,067.22/1,879,108.56
  6. Step 6: Final answer
    x = 1,654,312.60

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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.