Home / 2,812,200.17-4,218,518.96-919,132.97

Finding the Fourth Proportional to 2,812,200.17, 4,218,518.96 and 919,132.97

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Solution

The fourth proportional to 2,812,200.17, 4,218,518.96 and 919,132.97 is: 1,378,770.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,200.17 : 4,218,518.96 = 919,132.97 : x
  2. Step 2: Convert to fraction form
    2,812,200.17/4,218,518.96 = 919,132.97/x
  3. Step 3: Cross multiply
    2,812,200.17x = 4,218,518.96 × 919,132.97
  4. Step 4: Simplify right side
    2,812,200.17x = 3,877,379,838,464.60
  5. Step 5: Solve for x
    x = 3,877,379,838,464.60/2,812,200.17
  6. Step 6: Final answer
    x = 1,378,770.93

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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.