Finding the Fourth Proportional to 4,791,664.20, 6,612,391.56 and 2,616,124.08
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Solution
The fourth proportional to 4,791,664.20, 6,612,391.56 and 2,616,124.08 is: 3,610,193.88
Step by Step Solution
- Step 1: Write the proportion equation
4,791,664.20 : 6,612,391.56 = 2,616,124.08 : x - Step 2: Convert to fraction form
4,791,664.20/6,612,391.56 = 2,616,124.08/x - Step 3: Cross multiply
4,791,664.20x = 6,612,391.56 × 2,616,124.08 - Step 4: Simplify right side
4,791,664.20x = 17,298,836,786,504.76 - Step 5: Solve for x
x = 17,298,836,786,504.76/4,791,664.20 - Step 6: Final answer
x = 3,610,193.88
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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.