Finding the Fourth Proportional to 1,906,860.18, 2,630,815.26 and 1,090,766.54
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Solution
The fourth proportional to 1,906,860.18, 2,630,815.26 and 1,090,766.54 is: 1,504,884.99
Step by Step Solution
- Step 1: Write the proportion equation
1,906,860.18 : 2,630,815.26 = 1,090,766.54 : x - Step 2: Convert to fraction form
1,906,860.18/2,630,815.26 = 1,090,766.54/x - Step 3: Cross multiply
1,906,860.18x = 2,630,815.26 × 1,090,766.54 - Step 4: Simplify right side
1,906,860.18x = 2,869,605,258,529.40 - Step 5: Solve for x
x = 2,869,605,258,529.40/1,906,860.18 - Step 6: Final answer
x = 1,504,884.99
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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.