Finding the Fourth Proportional to 4,789,771.60, 6,618,531.04 and 3,410,721.12
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Solution
The fourth proportional to 4,789,771.60, 6,618,531.04 and 3,410,721.12 is: 4,712,951.99
Step by Step Solution
- Step 1: Write the proportion equation
4,789,771.60 : 6,618,531.04 = 3,410,721.12 : x - Step 2: Convert to fraction form
4,789,771.60/6,618,531.04 = 3,410,721.12/x - Step 3: Cross multiply
4,789,771.60x = 6,618,531.04 × 3,410,721.12 - Step 4: Simplify right side
4,789,771.60x = 22,573,963,601,503.57 - Step 5: Solve for x
x = 22,573,963,601,503.57/4,789,771.60 - Step 6: Final answer
x = 4,712,951.99
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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.