Home / 3,860,978.58-5,328,079.53-2,142,062.19

Finding the Fourth Proportional to 3,860,978.58, 5,328,079.53 and 2,142,062.19

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Solution

The fourth proportional to 3,860,978.58, 5,328,079.53 and 2,142,062.19 is: 2,956,006.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860,978.58 : 5,328,079.53 = 2,142,062.19 : x
  2. Step 2: Convert to fraction form
    3,860,978.58/5,328,079.53 = 2,142,062.19/x
  3. Step 3: Cross multiply
    3,860,978.58x = 5,328,079.53 × 2,142,062.19
  4. Step 4: Simplify right side
    3,860,978.58x = 11,413,077,706,525.97
  5. Step 5: Solve for x
    x = 11,413,077,706,525.97/3,860,978.58
  6. Step 6: Final answer
    x = 2,956,006.48

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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.