Finding the Fourth Proportional to 3,283,689.51, 4,531,448.61 and 1,833,409.62
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Solution
The fourth proportional to 3,283,689.51, 4,531,448.61 and 1,833,409.62 is: 2,530,081.32
Step by Step Solution
- Step 1: Write the proportion equation
3,283,689.51 : 4,531,448.61 = 1,833,409.62 : x - Step 2: Convert to fraction form
3,283,689.51/4,531,448.61 = 1,833,409.62/x - Step 3: Cross multiply
3,283,689.51x = 4,531,448.61 × 1,833,409.62 - Step 4: Simplify right side
3,283,689.51x = 8,308,001,474,109.63 - Step 5: Solve for x
x = 8,308,001,474,109.63/3,283,689.51 - Step 6: Final answer
x = 2,530,081.32
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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.