Finding the Fourth Proportional to 2,209,848.73, 3,049,560.62 and 1,242,979.67
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Solution
The fourth proportional to 2,209,848.73, 3,049,560.62 and 1,242,979.67 is: 1,715,294.72
Step by Step Solution
- Step 1: Write the proportion equation
2,209,848.73 : 3,049,560.62 = 1,242,979.67 : x - Step 2: Convert to fraction form
2,209,848.73/3,049,560.62 = 1,242,979.67/x - Step 3: Cross multiply
2,209,848.73x = 3,049,560.62 × 1,242,979.67 - Step 4: Simplify right side
2,209,848.73x = 3,790,541,846,877.70 - Step 5: Solve for x
x = 3,790,541,846,877.70/2,209,848.73 - Step 6: Final answer
x = 1,715,294.72
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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.