Finding the Fourth Proportional to 1,917,646.18, 2,875,721.64 and 718,915.03
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Solution
The fourth proportional to 1,917,646.18, 2,875,721.64 and 718,915.03 is: 1,078,092.26
Step by Step Solution
- Step 1: Write the proportion equation
1,917,646.18 : 2,875,721.64 = 718,915.03 : x - Step 2: Convert to fraction form
1,917,646.18/2,875,721.64 = 718,915.03/x - Step 3: Cross multiply
1,917,646.18x = 2,875,721.64 × 718,915.03 - Step 4: Simplify right side
1,917,646.18x = 2,067,399,509,092.25 - Step 5: Solve for x
x = 2,067,399,509,092.25/1,917,646.18 - Step 6: Final answer
x = 1,078,092.26
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.