Home / 1,993,705.60-2,990,558.40-1,197,443.20

Finding the Fourth Proportional to 1,993,705.60, 2,990,558.40 and 1,197,443.20

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Solution

The fourth proportional to 1,993,705.60, 2,990,558.40 and 1,197,443.20 is: 1,796,164.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,705.60 : 2,990,558.40 = 1,197,443.20 : x
  2. Step 2: Convert to fraction form
    1,993,705.60/2,990,558.40 = 1,197,443.20/x
  3. Step 3: Cross multiply
    1,993,705.60x = 2,990,558.40 × 1,197,443.20
  4. Step 4: Simplify right side
    1,993,705.60x = 3,581,023,820,282.88
  5. Step 5: Solve for x
    x = 3,581,023,820,282.88/1,993,705.60
  6. Step 6: Final answer
    x = 1,796,164.80

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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.