Finding the Fourth Proportional to 1,519,481.62, 2,096,743.71 and 840,403.54
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Solution
The fourth proportional to 1,519,481.62, 2,096,743.71 and 840,403.54 is: 1,159,678.94
Step by Step Solution
- Step 1: Write the proportion equation
1,519,481.62 : 2,096,743.71 = 840,403.54 : x - Step 2: Convert to fraction form
1,519,481.62/2,096,743.71 = 840,403.54/x - Step 3: Cross multiply
1,519,481.62x = 2,096,743.71 × 840,403.54 - Step 4: Simplify right side
1,519,481.62x = 1,762,110,836,356.73 - Step 5: Solve for x
x = 1,762,110,836,356.73/1,519,481.62 - Step 6: Final answer
x = 1,159,678.94
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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.