Home / 3,239,821.72-4,860,011.64-843,670.72

Finding the Fourth Proportional to 3,239,821.72, 4,860,011.64 and 843,670.72

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Solution

The fourth proportional to 3,239,821.72, 4,860,011.64 and 843,670.72 is: 1,265,578.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239,821.72 : 4,860,011.64 = 843,670.72 : x
  2. Step 2: Convert to fraction form
    3,239,821.72/4,860,011.64 = 843,670.72/x
  3. Step 3: Cross multiply
    3,239,821.72x = 4,860,011.64 × 843,670.72
  4. Step 4: Simplify right side
    3,239,821.72x = 4,100,249,519,527.18
  5. Step 5: Solve for x
    x = 4,100,249,519,527.18/3,239,821.72
  6. Step 6: Final answer
    x = 1,265,578.75

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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.