Home / 3,994,271.45-5,983,490.22-1,861,421.57

Finding the Fourth Proportional to 3,994,271.45, 5,983,490.22 and 1,861,421.57

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Solution

The fourth proportional to 3,994,271.45, 5,983,490.22 and 1,861,421.57 is: 2,788,442.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994,271.45 : 5,983,490.22 = 1,861,421.57 : x
  2. Step 2: Convert to fraction form
    3,994,271.45/5,983,490.22 = 1,861,421.57/x
  3. Step 3: Cross multiply
    3,994,271.45x = 5,983,490.22 × 1,861,421.57
  4. Step 4: Simplify right side
    3,994,271.45x = 11,137,797,729,474.59
  5. Step 5: Solve for x
    x = 11,137,797,729,474.59/3,994,271.45
  6. Step 6: Final answer
    x = 2,788,442.87

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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.