Finding the Fourth Proportional to 2,888,874.26, 3,987,933.99 and 1,909,403.23
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Solution
The fourth proportional to 2,888,874.26, 3,987,933.99 and 1,909,403.23 is: 2,635,827.44
Step by Step Solution
- Step 1: Write the proportion equation
2,888,874.26 : 3,987,933.99 = 1,909,403.23 : x - Step 2: Convert to fraction form
2,888,874.26/3,987,933.99 = 1,909,403.23/x - Step 3: Cross multiply
2,888,874.26x = 3,987,933.99 × 1,909,403.23 - Step 4: Simplify right side
2,888,874.26x = 7,614,574,041,532.79 - Step 5: Solve for x
x = 7,614,574,041,532.79/2,888,874.26 - Step 6: Final answer
x = 2,635,827.44
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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.