Finding the Fourth Proportional to 4,685,691.94, 7,029,496.53 and 1,611,283.49
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Solution
The fourth proportional to 4,685,691.94, 7,029,496.53 and 1,611,283.49 is: 2,417,254.87
Step by Step Solution
- Step 1: Write the proportion equation
4,685,691.94 : 7,029,496.53 = 1,611,283.49 : x - Step 2: Convert to fraction form
4,685,691.94/7,029,496.53 = 1,611,283.49/x - Step 3: Cross multiply
4,685,691.94x = 7,029,496.53 × 1,611,283.49 - Step 4: Simplify right side
4,685,691.94x = 11,326,511,666,653.81 - Step 5: Solve for x
x = 11,326,511,666,653.81/4,685,691.94 - Step 6: Final answer
x = 2,417,254.87
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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.