Home / 3,860,455.23-5,328,066.86-2,142,129.33

Finding the Fourth Proportional to 3,860,455.23, 5,328,066.86 and 2,142,129.33

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Solution

The fourth proportional to 3,860,455.23, 5,328,066.86 and 2,142,129.33 is: 2,956,492.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860,455.23 : 5,328,066.86 = 2,142,129.33 : x
  2. Step 2: Convert to fraction form
    3,860,455.23/5,328,066.86 = 2,142,129.33/x
  3. Step 3: Cross multiply
    3,860,455.23x = 5,328,066.86 × 2,142,129.33
  4. Step 4: Simplify right side
    3,860,455.23x = 11,413,408,282,296.36
  5. Step 5: Solve for x
    x = 11,413,408,282,296.36/3,860,455.23
  6. Step 6: Final answer
    x = 2,956,492.85

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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.