Finding the Fourth Proportional to 1,690,942.84, 2,332,442.27 and 1,110,195.92
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Solution
The fourth proportional to 1,690,942.84, 2,332,442.27 and 1,110,195.92 is: 1,531,375.18
Step by Step Solution
- Step 1: Write the proportion equation
1,690,942.84 : 2,332,442.27 = 1,110,195.92 : x - Step 2: Convert to fraction form
1,690,942.84/2,332,442.27 = 1,110,195.92/x - Step 3: Cross multiply
1,690,942.84x = 2,332,442.27 × 1,110,195.92 - Step 4: Simplify right side
1,690,942.84x = 2,589,467,891,789.54 - Step 5: Solve for x
x = 2,589,467,891,789.54/1,690,942.84 - Step 6: Final answer
x = 1,531,375.18
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.