Home / 3,315,745.18-4,973,617.50-919,589.80

Finding the Fourth Proportional to 3,315,745.18, 4,973,617.50 and 919,589.80

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Solution

The fourth proportional to 3,315,745.18, 4,973,617.50 and 919,589.80 is: 1,379,384.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,745.18 : 4,973,617.50 = 919,589.80 : x
  2. Step 2: Convert to fraction form
    3,315,745.18/4,973,617.50 = 919,589.80/x
  3. Step 3: Cross multiply
    3,315,745.18x = 4,973,617.50 × 919,589.80
  4. Step 4: Simplify right side
    3,315,745.18x = 4,573,687,922,101.50
  5. Step 5: Solve for x
    x = 4,573,687,922,101.50/3,315,745.18
  6. Step 6: Final answer
    x = 1,379,384.63

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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.