Finding the Fourth Proportional to 3,544,648.09, 5,318,087.49 and 1,268,620.79
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Solution
The fourth proportional to 3,544,648.09, 5,318,087.49 and 1,268,620.79 is: 1,903,330.36
Step by Step Solution
- Step 1: Write the proportion equation
3,544,648.09 : 5,318,087.49 = 1,268,620.79 : x - Step 2: Convert to fraction form
3,544,648.09/5,318,087.49 = 1,268,620.79/x - Step 3: Cross multiply
3,544,648.09x = 5,318,087.49 × 1,268,620.79 - Step 4: Simplify right side
3,544,648.09x = 6,746,636,326,262.48 - Step 5: Solve for x
x = 6,746,636,326,262.48/3,544,648.09 - Step 6: Final answer
x = 1,903,330.36
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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.