Finding the Fourth Proportional to 1,728,395.25, 2,385,185.66 and 954,026.36
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Solution
The fourth proportional to 1,728,395.25, 2,385,185.66 and 954,026.36 is: 1,316,556.49
Step by Step Solution
- Step 1: Write the proportion equation
1,728,395.25 : 2,385,185.66 = 954,026.36 : x - Step 2: Convert to fraction form
1,728,395.25/2,385,185.66 = 954,026.36/x - Step 3: Cross multiply
1,728,395.25x = 2,385,185.66 × 954,026.36 - Step 4: Simplify right side
1,728,395.25x = 2,275,529,976,437.94 - Step 5: Solve for x
x = 2,275,529,976,437.94/1,728,395.25 - Step 6: Final answer
x = 1,316,556.49
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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.