Finding the Fourth Proportional to 1,792,989.18, 2,476,748.22 and 1,432,936.62
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Solution
The fourth proportional to 1,792,989.18, 2,476,748.22 and 1,432,936.62 is: 1,979,389.09
Step by Step Solution
- Step 1: Write the proportion equation
1,792,989.18 : 2,476,748.22 = 1,432,936.62 : x - Step 2: Convert to fraction form
1,792,989.18/2,476,748.22 = 1,432,936.62/x - Step 3: Cross multiply
1,792,989.18x = 2,476,748.22 × 1,432,936.62 - Step 4: Simplify right side
1,792,989.18x = 3,549,023,222,957.82 - Step 5: Solve for x
x = 3,549,023,222,957.82/1,792,989.18 - Step 6: Final answer
x = 1,979,389.09
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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.