Finding the Fourth Proportional to 1,673,762.25, 2,278,891.19 and 1,668,447.84
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Solution
The fourth proportional to 1,673,762.25, 2,278,891.19 and 1,668,447.84 is: 2,271,655.41
Step by Step Solution
- Step 1: Write the proportion equation
1,673,762.25 : 2,278,891.19 = 1,668,447.84 : x - Step 2: Convert to fraction form
1,673,762.25/2,278,891.19 = 1,668,447.84/x - Step 3: Cross multiply
1,673,762.25x = 2,278,891.19 × 1,668,447.84 - Step 4: Simplify right side
1,673,762.25x = 3,802,211,063,813.83 - Step 5: Solve for x
x = 3,802,211,063,813.83/1,673,762.25 - Step 6: Final answer
x = 2,271,655.41
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Why These Related Problems?
These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.