Finding the Fourth Proportional to 1,382,497.96, 1,907,887.62 and 809,484.52
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Solution
The fourth proportional to 1,382,497.96, 1,907,887.62 and 809,484.52 is: 1,117,112.31
Step by Step Solution
- Step 1: Write the proportion equation
1,382,497.96 : 1,907,887.62 = 809,484.52 : x - Step 2: Convert to fraction form
1,382,497.96/1,907,887.62 = 809,484.52/x - Step 3: Cross multiply
1,382,497.96x = 1,907,887.62 × 809,484.52 - Step 4: Simplify right side
1,382,497.96x = 1,544,405,494,289.64 - Step 5: Solve for x
x = 1,544,405,494,289.64/1,382,497.96 - Step 6: Final answer
x = 1,117,112.31
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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.