Finding the Fourth Proportional to 1,382,827.48, 1,908,427.26 and 839,101.03
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Solution
The fourth proportional to 1,382,827.48, 1,908,427.26 and 839,101.03 is: 1,158,035.48
Step by Step Solution
- Step 1: Write the proportion equation
1,382,827.48 : 1,908,427.26 = 839,101.03 : x - Step 2: Convert to fraction form
1,382,827.48/1,908,427.26 = 839,101.03/x - Step 3: Cross multiply
1,382,827.48x = 1,908,427.26 × 839,101.03 - Step 4: Simplify right side
1,382,827.48x = 1,601,363,279,546.08 - Step 5: Solve for x
x = 1,601,363,279,546.08/1,382,827.48 - Step 6: Final answer
x = 1,158,035.48
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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.