Home / 2,188,131.24-3,283,663.02-768,191.56

Finding the Fourth Proportional to 2,188,131.24, 3,283,663.02 and 768,191.56

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Solution

The fourth proportional to 2,188,131.24, 3,283,663.02 and 768,191.56 is: 1,152,802.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,131.24 : 3,283,663.02 = 768,191.56 : x
  2. Step 2: Convert to fraction form
    2,188,131.24/3,283,663.02 = 768,191.56/x
  3. Step 3: Cross multiply
    2,188,131.24x = 3,283,663.02 × 768,191.56
  4. Step 4: Simplify right side
    2,188,131.24x = 2,522,482,217,848.11
  5. Step 5: Solve for x
    x = 2,522,482,217,848.11/2,188,131.24
  6. Step 6: Final answer
    x = 1,152,802.07

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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.