Finding the Fourth Proportional to 1,728,622.35, 2,385,631.04 and 954,402.48
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Solution
The fourth proportional to 1,728,622.35, 2,385,631.04 and 954,402.48 is: 1,317,148.41
Step by Step Solution
- Step 1: Write the proportion equation
1,728,622.35 : 2,385,631.04 = 954,402.48 : x - Step 2: Convert to fraction form
1,728,622.35/2,385,631.04 = 954,402.48/x - Step 3: Cross multiply
1,728,622.35x = 2,385,631.04 × 954,402.48 - Step 4: Simplify right side
1,728,622.35x = 2,276,852,176,168.97 - Step 5: Solve for x
x = 2,276,852,176,168.97/1,728,622.35 - Step 6: Final answer
x = 1,317,148.41
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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.