Home / 1,993,454.40-2,990,181.60-1,946,798.40

Finding the Fourth Proportional to 1,993,454.40, 2,990,181.60 and 1,946,798.40

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Solution

The fourth proportional to 1,993,454.40, 2,990,181.60 and 1,946,798.40 is: 2,920,197.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,454.40 : 2,990,181.60 = 1,946,798.40 : x
  2. Step 2: Convert to fraction form
    1,993,454.40/2,990,181.60 = 1,946,798.40/x
  3. Step 3: Cross multiply
    1,993,454.40x = 2,990,181.60 × 1,946,798.40
  4. Step 4: Simplify right side
    1,993,454.40x = 5,821,280,754,589.44
  5. Step 5: Solve for x
    x = 5,821,280,754,589.44/1,993,454.40
  6. Step 6: Final answer
    x = 2,920,197.60

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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.