Finding the Fourth Proportional to 6,292,768.28, 8,684,279.60 and 3,539,584.20
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Solution
The fourth proportional to 6,292,768.28, 8,684,279.60 and 3,539,584.20 is: 4,884,772.09
Step by Step Solution
- Step 1: Write the proportion equation
6,292,768.28 : 8,684,279.60 = 3,539,584.20 : x - Step 2: Convert to fraction form
6,292,768.28/8,684,279.60 = 3,539,584.20/x - Step 3: Cross multiply
6,292,768.28x = 8,684,279.60 × 3,539,584.20 - Step 4: Simplify right side
6,292,768.28x = 30,738,738,860,542.32 - Step 5: Solve for x
x = 30,738,738,860,542.32/6,292,768.28 - Step 6: Final answer
x = 4,884,772.09
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1.5x scale
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.