Home / 2,186,905.20-3,280,972.20-1,065,010.80

Finding the Fourth Proportional to 2,186,905.20, 3,280,972.20 and 1,065,010.80

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Solution

The fourth proportional to 2,186,905.20, 3,280,972.20 and 1,065,010.80 is: 1,597,815.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,905.20 : 3,280,972.20 = 1,065,010.80 : x
  2. Step 2: Convert to fraction form
    2,186,905.20/3,280,972.20 = 1,065,010.80/x
  3. Step 3: Cross multiply
    2,186,905.20x = 3,280,972.20 × 1,065,010.80
  4. Step 4: Simplify right side
    2,186,905.20x = 3,494,270,827,499.76
  5. Step 5: Solve for x
    x = 3,494,270,827,499.76/2,186,905.20
  6. Step 6: Final answer
    x = 1,597,815.41

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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.