Finding the Fourth Proportional to 1,769,891.76, 2,442,660.30 and 1,006,060.08
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Solution
The fourth proportional to 1,769,891.76, 2,442,660.30 and 1,006,060.08 is: 1,388,482.09
Step by Step Solution
- Step 1: Write the proportion equation
1,769,891.76 : 2,442,660.30 = 1,006,060.08 : x - Step 2: Convert to fraction form
1,769,891.76/2,442,660.30 = 1,006,060.08/x - Step 3: Cross multiply
1,769,891.76x = 2,442,660.30 × 1,006,060.08 - Step 4: Simplify right side
1,769,891.76x = 2,457,463,016,830.82 - Step 5: Solve for x
x = 2,457,463,016,830.82/1,769,891.76 - Step 6: Final answer
x = 1,388,482.09
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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.