Finding the Fourth Proportional to 3,393,566.39, 4,678,725.99 and 2,197,974.50
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Solution
The fourth proportional to 3,393,566.39, 4,678,725.99 and 2,197,974.50 is: 3,030,357.82
Step by Step Solution
- Step 1: Write the proportion equation
3,393,566.39 : 4,678,725.99 = 2,197,974.50 : x - Step 2: Convert to fraction form
3,393,566.39/4,678,725.99 = 2,197,974.50/x - Step 3: Cross multiply
3,393,566.39x = 4,678,725.99 × 2,197,974.50 - Step 4: Simplify right side
3,393,566.39x = 10,283,720,447,219.09 - Step 5: Solve for x
x = 10,283,720,447,219.09/3,393,566.39 - Step 6: Final answer
x = 3,030,357.82
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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.