Finding the Fourth Proportional to 1,932,528.38, 2,667,135.20 and 1,168,587.41
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Solution
The fourth proportional to 1,932,528.38, 2,667,135.20 and 1,168,587.41 is: 1,612,799.40
Step by Step Solution
- Step 1: Write the proportion equation
1,932,528.38 : 2,667,135.20 = 1,168,587.41 : x - Step 2: Convert to fraction form
1,932,528.38/2,667,135.20 = 1,168,587.41/x - Step 3: Cross multiply
1,932,528.38x = 2,667,135.20 × 1,168,587.41 - Step 4: Simplify right side
1,932,528.38x = 3,116,780,596,309.22 - Step 5: Solve for x
x = 3,116,780,596,309.22/1,932,528.38 - Step 6: Final answer
x = 1,612,799.40
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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.