Finding the Fourth Proportional to 5,546,434.20, 8,319,651.30 and 4,696,128.60
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Solution
The fourth proportional to 5,546,434.20, 8,319,651.30 and 4,696,128.60 is: 7,044,192.90
Step by Step Solution
- Step 1: Write the proportion equation
5,546,434.20 : 8,319,651.30 = 4,696,128.60 : x - Step 2: Convert to fraction form
5,546,434.20/8,319,651.30 = 4,696,128.60/x - Step 3: Cross multiply
5,546,434.20x = 8,319,651.30 × 4,696,128.60 - Step 4: Simplify right side
5,546,434.20x = 39,070,152,411,957.18 - Step 5: Solve for x
x = 39,070,152,411,957.18/5,546,434.20 - Step 6: Final answer
x = 7,044,192.90
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1.5x scale
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.