Finding the Fourth Proportional to 1,530,408.06, 2,112,194.07 and 886,249.08
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Solution
The fourth proportional to 1,530,408.06, 2,112,194.07 and 886,249.08 is: 1,223,157.47
Step by Step Solution
- Step 1: Write the proportion equation
1,530,408.06 : 2,112,194.07 = 886,249.08 : x - Step 2: Convert to fraction form
1,530,408.06/2,112,194.07 = 886,249.08/x - Step 3: Cross multiply
1,530,408.06x = 2,112,194.07 × 886,249.08 - Step 4: Simplify right side
1,530,408.06x = 1,871,930,051,318.96 - Step 5: Solve for x
x = 1,871,930,051,318.96/1,530,408.06 - Step 6: Final answer
x = 1,223,157.47
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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.