Finding the Fourth Proportional to 3,578,257, 4,937,994.66 and 1,968,590.44
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Solution
The fourth proportional to 3,578,257, 4,937,994.66 and 1,968,590.44 is: 2,716,654.81
Step by Step Solution
- Step 1: Write the proportion equation
3,578,257 : 4,937,994.66 = 1,968,590.44 : x - Step 2: Convert to fraction form
3,578,257/4,937,994.66 = 1,968,590.44/x - Step 3: Cross multiply
3,578,257x = 4,937,994.66 × 1,968,590.44 - Step 4: Simplify right side
3,578,257x = 9,720,889,080,447.05 - Step 5: Solve for x
x = 9,720,889,080,447.05/3,578,257 - Step 6: Final answer
x = 2,716,654.81
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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.