Home / 3,784,012.67-5,222,059.29-2,152,378.10

Finding the Fourth Proportional to 3,784,012.67, 5,222,059.29 and 2,152,378.10

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Solution

The fourth proportional to 3,784,012.67, 5,222,059.29 and 2,152,378.10 is: 2,970,351.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784,012.67 : 5,222,059.29 = 2,152,378.10 : x
  2. Step 2: Convert to fraction form
    3,784,012.67/5,222,059.29 = 2,152,378.10/x
  3. Step 3: Cross multiply
    3,784,012.67x = 5,222,059.29 × 2,152,378.10
  4. Step 4: Simplify right side
    3,784,012.67x = 11,239,846,065,752.70
  5. Step 5: Solve for x
    x = 11,239,846,065,752.70/3,784,012.67
  6. Step 6: Final answer
    x = 2,970,351.06

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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.