Finding the Fourth Proportional to 6,151,832.64, 8,489,771.87 and 3,538,332.54
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Solution
The fourth proportional to 6,151,832.64, 8,489,771.87 and 3,538,332.54 is: 4,883,038.57
Step by Step Solution
- Step 1: Write the proportion equation
6,151,832.64 : 8,489,771.87 = 3,538,332.54 : x - Step 2: Convert to fraction form
6,151,832.64/8,489,771.87 = 3,538,332.54/x - Step 3: Cross multiply
6,151,832.64x = 8,489,771.87 × 3,538,332.54 - Step 4: Simplify right side
6,151,832.64x = 30,039,636,047,105.99 - Step 5: Solve for x
x = 30,039,636,047,105.99/6,151,832.64 - Step 6: Final answer
x = 4,883,038.57
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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.