Finding the Fourth Proportional to 1,637,841.92, 2,260,226.56 and 949,647.36
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Solution
The fourth proportional to 1,637,841.92, 2,260,226.56 and 949,647.36 is: 1,310,516.09
Step by Step Solution
- Step 1: Write the proportion equation
1,637,841.92 : 2,260,226.56 = 949,647.36 : x - Step 2: Convert to fraction form
1,637,841.92/2,260,226.56 = 949,647.36/x - Step 3: Cross multiply
1,637,841.92x = 2,260,226.56 × 949,647.36 - Step 4: Simplify right side
1,637,841.92x = 2,146,418,185,705.88 - Step 5: Solve for x
x = 2,146,418,185,705.88/1,637,841.92 - Step 6: Final answer
x = 1,310,516.09
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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.