Home / 1,539,161.37-2,124,067.19-860,141.61

Finding the Fourth Proportional to 1,539,161.37, 2,124,067.19 and 860,141.61

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Solution

The fourth proportional to 1,539,161.37, 2,124,067.19 and 860,141.61 is: 1,187,009.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,161.37 : 2,124,067.19 = 860,141.61 : x
  2. Step 2: Convert to fraction form
    1,539,161.37/2,124,067.19 = 860,141.61/x
  3. Step 3: Cross multiply
    1,539,161.37x = 2,124,067.19 × 860,141.61
  4. Step 4: Simplify right side
    1,539,161.37x = 1,826,998,568,254.07
  5. Step 5: Solve for x
    x = 1,826,998,568,254.07/1,539,161.37
  6. Step 6: Final answer
    x = 1,187,009.11

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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.