Finding the Fourth Proportional to 6,292,764.27, 8,684,274.06 and 3,539,580.21
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Solution
The fourth proportional to 6,292,764.27, 8,684,274.06 and 3,539,580.21 is: 4,884,766.58
Step by Step Solution
- Step 1: Write the proportion equation
6,292,764.27 : 8,684,274.06 = 3,539,580.21 : x - Step 2: Convert to fraction form
6,292,764.27/8,684,274.06 = 3,539,580.21/x - Step 3: Cross multiply
6,292,764.27x = 8,684,274.06 × 3,539,580.21 - Step 4: Simplify right side
6,292,764.27x = 30,738,684,600,992.36 - Step 5: Solve for x
x = 30,738,684,600,992.36/6,292,764.27 - Step 6: Final answer
x = 4,884,766.58
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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.