Finding the Fourth Proportional to 3,065,842.68, 4,230,993.42 and 1,707,716.28
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Solution
The fourth proportional to 3,065,842.68, 4,230,993.42 and 1,707,716.28 is: 2,356,721.17
Step by Step Solution
- Step 1: Write the proportion equation
3,065,842.68 : 4,230,993.42 = 1,707,716.28 : x - Step 2: Convert to fraction form
3,065,842.68/4,230,993.42 = 1,707,716.28/x - Step 3: Cross multiply
3,065,842.68x = 4,230,993.42 × 1,707,716.28 - Step 4: Simplify right side
3,065,842.68x = 7,225,336,343,906.88 - Step 5: Solve for x
x = 7,225,336,343,906.88/3,065,842.68 - Step 6: Final answer
x = 2,356,721.17
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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.