Finding the Fourth Proportional to 1,831,708.62, 2,745,623.76 and 616,128.06
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Solution
The fourth proportional to 1,831,708.62, 2,745,623.76 and 616,128.06 is: 923,539.82
Step by Step Solution
- Step 1: Write the proportion equation
1,831,708.62 : 2,745,623.76 = 616,128.06 : x - Step 2: Convert to fraction form
1,831,708.62/2,745,623.76 = 616,128.06/x - Step 3: Cross multiply
1,831,708.62x = 2,745,623.76 × 616,128.06 - Step 4: Simplify right side
1,831,708.62x = 1,691,655,840,738.71 - Step 5: Solve for x
x = 1,691,655,840,738.71/1,831,708.62 - Step 6: Final answer
x = 923,539.82
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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.