Finding the Fourth Proportional to 1,741,976.08, 2,403,926.99 and 978,046.05
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Solution
The fourth proportional to 1,741,976.08, 2,403,926.99 and 978,046.05 is: 1,349,703.55
Step by Step Solution
- Step 1: Write the proportion equation
1,741,976.08 : 2,403,926.99 = 978,046.05 : x - Step 2: Convert to fraction form
1,741,976.08/2,403,926.99 = 978,046.05/x - Step 3: Cross multiply
1,741,976.08x = 2,403,926.99 × 978,046.05 - Step 4: Simplify right side
1,741,976.08x = 2,351,151,297,057.89 - Step 5: Solve for x
x = 2,351,151,297,057.89/1,741,976.08 - Step 6: Final answer
x = 1,349,703.55
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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.