Finding the Fourth Proportional to 2,168,179.62, 3,256,962.36 and 1,409,630.94
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Solution
The fourth proportional to 2,168,179.62, 3,256,962.36 and 1,409,630.94 is: 2,117,497.49
Step by Step Solution
- Step 1: Write the proportion equation
2,168,179.62 : 3,256,962.36 = 1,409,630.94 : x - Step 2: Convert to fraction form
2,168,179.62/3,256,962.36 = 1,409,630.94/x - Step 3: Cross multiply
2,168,179.62x = 3,256,962.36 × 1,409,630.94 - Step 4: Simplify right side
2,168,179.62x = 4,591,114,913,071.42 - Step 5: Solve for x
x = 4,591,114,913,071.42/2,168,179.62 - Step 6: Final answer
x = 2,117,497.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.