Finding the Fourth Proportional to 2,653,678.18, 3,979,380.03 and 1,233,586.18
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Solution
The fourth proportional to 2,653,678.18, 3,979,380.03 and 1,233,586.18 is: 1,849,850.61
Step by Step Solution
- Step 1: Write the proportion equation
2,653,678.18 : 3,979,380.03 = 1,233,586.18 : x - Step 2: Convert to fraction form
2,653,678.18/3,979,380.03 = 1,233,586.18/x - Step 3: Cross multiply
2,653,678.18x = 3,979,380.03 × 1,233,586.18 - Step 4: Simplify right side
2,653,678.18x = 4,908,908,209,975.99 - Step 5: Solve for x
x = 4,908,908,209,975.99/2,653,678.18 - Step 6: Final answer
x = 1,849,850.61
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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.