Finding the Fourth Proportional to 6,489,661.68, 9,733,748.80 and 1,697,813.36
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Solution
The fourth proportional to 6,489,661.68, 9,733,748.80 and 1,697,813.36 is: 2,546,525.47
Step by Step Solution
- Step 1: Write the proportion equation
6,489,661.68 : 9,733,748.80 = 1,697,813.36 : x - Step 2: Convert to fraction form
6,489,661.68/9,733,748.80 = 1,697,813.36/x - Step 3: Cross multiply
6,489,661.68x = 9,733,748.80 × 1,697,813.36 - Step 4: Simplify right side
6,489,661.68x = 16,526,088,755,523.97 - Step 5: Solve for x
x = 16,526,088,755,523.97/6,489,661.68 - Step 6: Final answer
x = 2,546,525.47
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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.