Finding the Fourth Proportional to 6,389,651.77, 8,817,718.60 and 3,489,045.29
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Solution
The fourth proportional to 6,389,651.77, 8,817,718.60 and 3,489,045.29 is: 4,814,882.03
Step by Step Solution
- Step 1: Write the proportion equation
6,389,651.77 : 8,817,718.60 = 3,489,045.29 : x - Step 2: Convert to fraction form
6,389,651.77/8,817,718.60 = 3,489,045.29/x - Step 3: Cross multiply
6,389,651.77x = 8,817,718.60 × 3,489,045.29 - Step 4: Simplify right side
6,389,651.77x = 30,765,419,497,064.19 - Step 5: Solve for x
x = 30,765,419,497,064.19/6,389,651.77 - Step 6: Final answer
x = 4,814,882.03
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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.