Finding the Fourth Proportional to 6,288,693.84, 8,677,522.44 and 3,534,991.92
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Solution
The fourth proportional to 6,288,693.84, 8,677,522.44 and 3,534,991.92 is: 4,877,796.96
Step by Step Solution
- Step 1: Write the proportion equation
6,288,693.84 : 8,677,522.44 = 3,534,991.92 : x - Step 2: Convert to fraction form
6,288,693.84/8,677,522.44 = 3,534,991.92/x - Step 3: Cross multiply
6,288,693.84x = 8,677,522.44 × 3,534,991.92 - Step 4: Simplify right side
6,288,693.84x = 30,674,971,711,018.68 - Step 5: Solve for x
x = 30,674,971,711,018.68/6,288,693.84 - Step 6: Final answer
x = 4,877,796.96
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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.