Finding the Fourth Proportional to 1,879,044.01, 2,818,564.62 and 1,079,815.79
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Solution
The fourth proportional to 1,879,044.01, 2,818,564.62 and 1,079,815.79 is: 1,619,722.88
Step by Step Solution
- Step 1: Write the proportion equation
1,879,044.01 : 2,818,564.62 = 1,079,815.79 : x - Step 2: Convert to fraction form
1,879,044.01/2,818,564.62 = 1,079,815.79/x - Step 3: Cross multiply
1,879,044.01x = 2,818,564.62 × 1,079,815.79 - Step 4: Simplify right side
1,879,044.01x = 3,043,530,581,811.35 - Step 5: Solve for x
x = 3,043,530,581,811.35/1,879,044.01 - Step 6: Final answer
x = 1,619,722.88
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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.