Finding the Fourth Proportional to 3,830,986.35, 5,746,458.77 and 1,642,233.68
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Solution
The fourth proportional to 3,830,986.35, 5,746,458.77 and 1,642,233.68 is: 2,463,341.62
Step by Step Solution
- Step 1: Write the proportion equation
3,830,986.35 : 5,746,458.77 = 1,642,233.68 : x - Step 2: Convert to fraction form
3,830,986.35/5,746,458.77 = 1,642,233.68/x - Step 3: Cross multiply
3,830,986.35x = 5,746,458.77 × 1,642,233.68 - Step 4: Simplify right side
3,830,986.35x = 9,437,028,117,240.74 - Step 5: Solve for x
x = 9,437,028,117,240.74/3,830,986.35 - Step 6: Final answer
x = 2,463,341.62
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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.