Home / 2,812,199.76-4,218,518.35-919,132.56

Finding the Fourth Proportional to 2,812,199.76, 4,218,518.35 and 919,132.56

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Solution

The fourth proportional to 2,812,199.76, 4,218,518.35 and 919,132.56 is: 1,378,770.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,199.76 : 4,218,518.35 = 919,132.56 : x
  2. Step 2: Convert to fraction form
    2,812,199.76/4,218,518.35 = 919,132.56/x
  3. Step 3: Cross multiply
    2,812,199.76x = 4,218,518.35 × 919,132.56
  4. Step 4: Simplify right side
    2,812,199.76x = 3,877,377,570,442.48
  5. Step 5: Solve for x
    x = 3,877,377,570,442.48/2,812,199.76
  6. Step 6: Final answer
    x = 1,378,770.32

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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.