Finding the Fourth Proportional to 6,506,728.67, 8,979,286.40 and 3,606,306.79
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Solution
The fourth proportional to 6,506,728.67, 8,979,286.40 and 3,606,306.79 is: 4,976,703.83
Step by Step Solution
- Step 1: Write the proportion equation
6,506,728.67 : 8,979,286.40 = 3,606,306.79 : x - Step 2: Convert to fraction form
6,506,728.67/8,979,286.40 = 3,606,306.79/x - Step 3: Cross multiply
6,506,728.67x = 8,979,286.40 × 3,606,306.79 - Step 4: Simplify right side
6,506,728.67x = 32,382,061,495,643.12 - Step 5: Solve for x
x = 32,382,061,495,643.12/6,506,728.67 - Step 6: Final answer
x = 4,976,703.83
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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.