Home / 3,054,817.11-4,215,650.40-1,678,249.98

Finding the Fourth Proportional to 3,054,817.11, 4,215,650.40 and 1,678,249.98

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Solution

The fourth proportional to 3,054,817.11, 4,215,650.40 and 1,678,249.98 is: 2,315,986.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,054,817.11 : 4,215,650.40 = 1,678,249.98 : x
  2. Step 2: Convert to fraction form
    3,054,817.11/4,215,650.40 = 1,678,249.98/x
  3. Step 3: Cross multiply
    3,054,817.11x = 4,215,650.40 × 1,678,249.98
  4. Step 4: Simplify right side
    3,054,817.11x = 7,074,915,199,486.99
  5. Step 5: Solve for x
    x = 7,074,915,199,486.99/3,054,817.11
  6. Step 6: Final answer
    x = 2,315,986.50

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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.