Home / 3,860,459.72-5,328,073.04-2,142,133.84

Finding the Fourth Proportional to 3,860,459.72, 5,328,073.04 and 2,142,133.84

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Solution

The fourth proportional to 3,860,459.72, 5,328,073.04 and 2,142,133.84 is: 2,956,499.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860,459.72 : 5,328,073.04 = 2,142,133.84 : x
  2. Step 2: Convert to fraction form
    3,860,459.72/5,328,073.04 = 2,142,133.84/x
  3. Step 3: Cross multiply
    3,860,459.72x = 5,328,073.04 × 2,142,133.84
  4. Step 4: Simplify right side
    3,860,459.72x = 11,413,445,560,975.67
  5. Step 5: Solve for x
    x = 11,413,445,560,975.67/3,860,459.72
  6. Step 6: Final answer
    x = 2,956,499.07

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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.