Finding the Fourth Proportional to 3,903,416.78, 5,853,668.99 and 1,343,908.71
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Solution
The fourth proportional to 3,903,416.78, 5,853,668.99 and 1,343,908.71 is: 2,015,361.72
Step by Step Solution
- Step 1: Write the proportion equation
3,903,416.78 : 5,853,668.99 = 1,343,908.71 : x - Step 2: Convert to fraction form
3,903,416.78/5,853,668.99 = 1,343,908.71/x - Step 3: Cross multiply
3,903,416.78x = 5,853,668.99 × 1,343,908.71 - Step 4: Simplify right side
3,903,416.78x = 7,866,796,734,398.36 - Step 5: Solve for x
x = 7,866,796,734,398.36/3,903,416.78 - Step 6: Final answer
x = 2,015,361.72
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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.