Finding the Fourth Proportional to 2,151,580.48, 2,969,246.39 and 1,184,745.37
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Solution
The fourth proportional to 2,151,580.48, 2,969,246.39 and 1,184,745.37 is: 1,634,984.58
Step by Step Solution
- Step 1: Write the proportion equation
2,151,580.48 : 2,969,246.39 = 1,184,745.37 : x - Step 2: Convert to fraction form
2,151,580.48/2,969,246.39 = 1,184,745.37/x - Step 3: Cross multiply
2,151,580.48x = 2,969,246.39 × 1,184,745.37 - Step 4: Simplify right side
2,151,580.48x = 3,517,800,899,594.87 - Step 5: Solve for x
x = 3,517,800,899,594.87/2,151,580.48 - Step 6: Final answer
x = 1,634,984.58
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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.