Home / 5,103,800.52-7,043,240.88-2,811,961.20

Finding the Fourth Proportional to 5,103,800.52, 7,043,240.88 and 2,811,961.20

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Solution

The fourth proportional to 5,103,800.52, 7,043,240.88 and 2,811,961.20 is: 3,880,504.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103,800.52 : 7,043,240.88 = 2,811,961.20 : x
  2. Step 2: Convert to fraction form
    5,103,800.52/7,043,240.88 = 2,811,961.20/x
  3. Step 3: Cross multiply
    5,103,800.52x = 7,043,240.88 × 2,811,961.20
  4. Step 4: Simplify right side
    5,103,800.52x = 19,805,320,076,813.86
  5. Step 5: Solve for x
    x = 19,805,320,076,813.86/5,103,800.52
  6. Step 6: Final answer
    x = 3,880,504.34

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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.