Finding the Fourth Proportional to 1,694,552.21, 2,338,473.59 and 920,176.15
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Solution
The fourth proportional to 1,694,552.21, 2,338,473.59 and 920,176.15 is: 1,269,838.49
Step by Step Solution
- Step 1: Write the proportion equation
1,694,552.21 : 2,338,473.59 = 920,176.15 : x - Step 2: Convert to fraction form
1,694,552.21/2,338,473.59 = 920,176.15/x - Step 3: Cross multiply
1,694,552.21x = 2,338,473.59 × 920,176.15 - Step 4: Simplify right side
1,694,552.21x = 2,151,807,624,922.88 - Step 5: Solve for x
x = 2,151,807,624,922.88/1,694,552.21 - Step 6: Final answer
x = 1,269,838.49
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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.