Finding the Fourth Proportional to 6,776,459.12, 9,351,664.44 and 3,720,685.52
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Solution
The fourth proportional to 6,776,459.12, 9,351,664.44 and 3,720,685.52 is: 5,134,628.85
Step by Step Solution
- Step 1: Write the proportion equation
6,776,459.12 : 9,351,664.44 = 3,720,685.52 : x - Step 2: Convert to fraction form
6,776,459.12/9,351,664.44 = 3,720,685.52/x - Step 3: Cross multiply
6,776,459.12x = 9,351,664.44 × 3,720,685.52 - Step 4: Simplify right side
6,776,459.12x = 34,794,602,469,806.91 - Step 5: Solve for x
x = 34,794,602,469,806.91/6,776,459.12 - Step 6: Final answer
x = 5,134,628.85
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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.