Home / 3,076,755.60-4,619,288.70-1,798,672.80

Finding the Fourth Proportional to 3,076,755.60, 4,619,288.70 and 1,798,672.80

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Solution

The fourth proportional to 3,076,755.60, 4,619,288.70 and 1,798,672.80 is: 2,700,438.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,076,755.60 : 4,619,288.70 = 1,798,672.80 : x
  2. Step 2: Convert to fraction form
    3,076,755.60/4,619,288.70 = 1,798,672.80/x
  3. Step 3: Cross multiply
    3,076,755.60x = 4,619,288.70 × 1,798,672.80
  4. Step 4: Simplify right side
    3,076,755.60x = 8,308,588,940,037.36
  5. Step 5: Solve for x
    x = 8,308,588,940,037.36/3,076,755.60
  6. Step 6: Final answer
    x = 2,700,438.39

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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.