Home / 3,381,421.40-5,076,635.70-1,962,495.80

Finding the Fourth Proportional to 3,381,421.40, 5,076,635.70 and 1,962,495.80

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Solution

The fourth proportional to 3,381,421.40, 5,076,635.70 and 1,962,495.80 is: 2,946,357.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381,421.40 : 5,076,635.70 = 1,962,495.80 : x
  2. Step 2: Convert to fraction form
    3,381,421.40/5,076,635.70 = 1,962,495.80/x
  3. Step 3: Cross multiply
    3,381,421.40x = 5,076,635.70 × 1,962,495.80
  4. Step 4: Simplify right side
    3,381,421.40x = 9,962,876,239,380.06
  5. Step 5: Solve for x
    x = 9,962,876,239,380.06/3,381,421.40
  6. Step 6: Final answer
    x = 2,946,357.48

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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.