Finding the Fourth Proportional to 3,287,186.48, 4,537,714.48 and 1,998,438.40
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Solution
The fourth proportional to 3,287,186.48, 4,537,714.48 and 1,998,438.40 is: 2,758,694.38
Step by Step Solution
- Step 1: Write the proportion equation
3,287,186.48 : 4,537,714.48 = 1,998,438.40 : x - Step 2: Convert to fraction form
3,287,186.48/4,537,714.48 = 1,998,438.40/x - Step 3: Cross multiply
3,287,186.48x = 4,537,714.48 × 1,998,438.40 - Step 4: Simplify right side
3,287,186.48x = 9,068,342,865,068.03 - Step 5: Solve for x
x = 9,068,342,865,068.03/3,287,186.48 - Step 6: Final answer
x = 2,758,694.38
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1.5x scale
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.