Finding the Fourth Proportional to 1,326,243.97, 1,830,216.63 and 722,631.97
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Solution
The fourth proportional to 1,326,243.97, 1,830,216.63 and 722,631.97 is: 997,232.09
Step by Step Solution
- Step 1: Write the proportion equation
1,326,243.97 : 1,830,216.63 = 722,631.97 : x - Step 2: Convert to fraction form
1,326,243.97/1,830,216.63 = 722,631.97/x - Step 3: Cross multiply
1,326,243.97x = 1,830,216.63 × 722,631.97 - Step 4: Simplify right side
1,326,243.97x = 1,322,573,048,863.66 - Step 5: Solve for x
x = 1,322,573,048,863.66/1,326,243.97 - Step 6: Final answer
x = 997,232.09
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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.