Finding the Fourth Proportional to 3,851,726.22, 5,315,378.85 and 2,132,846.67
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Solution
The fourth proportional to 3,851,726.22, 5,315,378.85 and 2,132,846.67 is: 2,943,326.56
Step by Step Solution
- Step 1: Write the proportion equation
3,851,726.22 : 5,315,378.85 = 2,132,846.67 : x - Step 2: Convert to fraction form
3,851,726.22/5,315,378.85 = 2,132,846.67/x - Step 3: Cross multiply
3,851,726.22x = 5,315,378.85 × 2,132,846.67 - Step 4: Simplify right side
3,851,726.22x = 11,336,888,080,010.93 - Step 5: Solve for x
x = 11,336,888,080,010.93/3,851,726.22 - Step 6: Final answer
x = 2,943,326.56
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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.