Finding the Fourth Proportional to 2,166,512.96, 2,989,751.22 and 1,199,622.44
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Solution
The fourth proportional to 2,166,512.96, 2,989,751.22 and 1,199,622.44 is: 1,655,458.66
Step by Step Solution
- Step 1: Write the proportion equation
2,166,512.96 : 2,989,751.22 = 1,199,622.44 : x - Step 2: Convert to fraction form
2,166,512.96/2,989,751.22 = 1,199,622.44/x - Step 3: Cross multiply
2,166,512.96x = 2,989,751.22 × 1,199,622.44 - Step 4: Simplify right side
2,166,512.96x = 3,586,572,638,580.62 - Step 5: Solve for x
x = 3,586,572,638,580.62/2,166,512.96 - Step 6: Final answer
x = 1,655,458.66
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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.