Finding the Fourth Proportional to 3,413,841.17, 5,117,184.80 and 1,590,703.03
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Solution
The fourth proportional to 3,413,841.17, 5,117,184.80 and 1,590,703.03 is: 2,384,387.83
Step by Step Solution
- Step 1: Write the proportion equation
3,413,841.17 : 5,117,184.80 = 1,590,703.03 : x - Step 2: Convert to fraction form
3,413,841.17/5,117,184.80 = 1,590,703.03/x - Step 3: Cross multiply
3,413,841.17x = 5,117,184.80 × 1,590,703.03 - Step 4: Simplify right side
3,413,841.17x = 8,139,921,351,001.59 - Step 5: Solve for x
x = 8,139,921,351,001.59/3,413,841.17 - Step 6: Final answer
x = 2,384,387.83
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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.