Home / 3,030,763.20-4,183,817.18-1,998,883.14

Finding the Fourth Proportional to 3,030,763.20, 4,183,817.18 and 1,998,883.14

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Solution

The fourth proportional to 3,030,763.20, 4,183,817.18 and 1,998,883.14 is: 2,759,358.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030,763.20 : 4,183,817.18 = 1,998,883.14 : x
  2. Step 2: Convert to fraction form
    3,030,763.20/4,183,817.18 = 1,998,883.14/x
  3. Step 3: Cross multiply
    3,030,763.20x = 4,183,817.18 × 1,998,883.14
  4. Step 4: Simplify right side
    3,030,763.20x = 8,362,961,611,949.93
  5. Step 5: Solve for x
    x = 8,362,961,611,949.93/3,030,763.20
  6. Step 6: Final answer
    x = 2,759,358.31

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1.5x scale

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.