Finding the Fourth Proportional to 1,378,974.36, 1,902,207.06 and 827,549.04
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Solution
The fourth proportional to 1,378,974.36, 1,902,207.06 and 827,549.04 is: 1,141,551.05
Step by Step Solution
- Step 1: Write the proportion equation
1,378,974.36 : 1,902,207.06 = 827,549.04 : x - Step 2: Convert to fraction form
1,378,974.36/1,902,207.06 = 827,549.04/x - Step 3: Cross multiply
1,378,974.36x = 1,902,207.06 × 827,549.04 - Step 4: Simplify right side
1,378,974.36x = 1,574,169,633,517.50 - Step 5: Solve for x
x = 1,574,169,633,517.50/1,378,974.36 - Step 6: Final answer
x = 1,141,551.05
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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.