Home / 3,919,111.79-5,878,696.85-1,079,379.77

Finding the Fourth Proportional to 3,919,111.79, 5,878,696.85 and 1,079,379.77

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Solution

The fourth proportional to 3,919,111.79, 5,878,696.85 and 1,079,379.77 is: 1,619,077.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,111.79 : 5,878,696.85 = 1,079,379.77 : x
  2. Step 2: Convert to fraction form
    3,919,111.79/5,878,696.85 = 1,079,379.77/x
  3. Step 3: Cross multiply
    3,919,111.79x = 5,878,696.85 × 1,079,379.77
  4. Step 4: Simplify right side
    3,919,111.79x = 6,345,346,453,852.73
  5. Step 5: Solve for x
    x = 6,345,346,453,852.73/3,919,111.79
  6. Step 6: Final answer
    x = 1,619,077.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.