Finding the Fourth Proportional to 6,397,878.93, 9,596,818.41 and 2,138,047.17
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Solution
The fourth proportional to 6,397,878.93, 9,596,818.41 and 2,138,047.17 is: 3,207,070.76
Step by Step Solution
- Step 1: Write the proportion equation
6,397,878.93 : 9,596,818.41 = 2,138,047.17 : x - Step 2: Convert to fraction form
6,397,878.93/9,596,818.41 = 2,138,047.17/x - Step 3: Cross multiply
6,397,878.93x = 9,596,818.41 × 2,138,047.17 - Step 4: Simplify right side
6,397,878.93x = 20,518,450,442,504.40 - Step 5: Solve for x
x = 20,518,450,442,504.40/6,397,878.93 - Step 6: Final answer
x = 3,207,070.76
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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.