Home / 3,512,813.40-4,847,558.40-1,984,887.72

Finding the Fourth Proportional to 3,512,813.40, 4,847,558.40 and 1,984,887.72

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Solution

The fourth proportional to 3,512,813.40, 4,847,558.40 and 1,984,887.72 is: 2,739,074.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512,813.40 : 4,847,558.40 = 1,984,887.72 : x
  2. Step 2: Convert to fraction form
    3,512,813.40/4,847,558.40 = 1,984,887.72/x
  3. Step 3: Cross multiply
    3,512,813.40x = 4,847,558.40 × 1,984,887.72
  4. Step 4: Simplify right side
    3,512,813.40x = 9,621,859,140,142.85
  5. Step 5: Solve for x
    x = 9,621,859,140,142.85/3,512,813.40
  6. Step 6: Final answer
    x = 2,739,074.94

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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.