Finding the Fourth Proportional to 1,511,615.62, 2,086,029.56 and 832,552.12
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Solution
The fourth proportional to 1,511,615.62, 2,086,029.56 and 832,552.12 is: 1,148,921.93
Step by Step Solution
- Step 1: Write the proportion equation
1,511,615.62 : 2,086,029.56 = 832,552.12 : x - Step 2: Convert to fraction form
1,511,615.62/2,086,029.56 = 832,552.12/x - Step 3: Cross multiply
1,511,615.62x = 2,086,029.56 × 832,552.12 - Step 4: Simplify right side
1,511,615.62x = 1,736,728,329,426.97 - Step 5: Solve for x
x = 1,736,728,329,426.97/1,511,615.62 - Step 6: Final answer
x = 1,148,921.93
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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.