Home / 1,990,186-2,746,458.60-1,084,771.60

Finding the Fourth Proportional to 1,990,186, 2,746,458.60 and 1,084,771.60

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Solution

The fourth proportional to 1,990,186, 2,746,458.60 and 1,084,771.60 is: 1,496,985.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,186 : 2,746,458.60 = 1,084,771.60 : x
  2. Step 2: Convert to fraction form
    1,990,186/2,746,458.60 = 1,084,771.60/x
  3. Step 3: Cross multiply
    1,990,186x = 2,746,458.60 × 1,084,771.60
  4. Step 4: Simplify right side
    1,990,186x = 2,979,280,289,855.76
  5. Step 5: Solve for x
    x = 2,979,280,289,855.76/1,990,186
  6. Step 6: Final answer
    x = 1,496,985.85

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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.