Finding the Fourth Proportional to 2,592,916.05, 3,889,374.08 and 699,654.45
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Solution
The fourth proportional to 2,592,916.05, 3,889,374.08 and 699,654.45 is: 1,049,481.68
Step by Step Solution
- Step 1: Write the proportion equation
2,592,916.05 : 3,889,374.08 = 699,654.45 : x - Step 2: Convert to fraction form
2,592,916.05/3,889,374.08 = 699,654.45/x - Step 3: Cross multiply
2,592,916.05x = 3,889,374.08 × 699,654.45 - Step 4: Simplify right side
2,592,916.05x = 2,721,217,879,288.38 - Step 5: Solve for x
x = 2,721,217,879,288.38/2,592,916.05 - Step 6: Final answer
x = 1,049,481.68
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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.