Finding the Fourth Proportional to 3,430,163.25, 4,733,632.04 and 1,881,437.55
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Solution
The fourth proportional to 3,430,163.25, 4,733,632.04 and 1,881,437.55 is: 2,596,387.52
Step by Step Solution
- Step 1: Write the proportion equation
3,430,163.25 : 4,733,632.04 = 1,881,437.55 : x - Step 2: Convert to fraction form
3,430,163.25/4,733,632.04 = 1,881,437.55/x - Step 3: Cross multiply
3,430,163.25x = 4,733,632.04 × 1,881,437.55 - Step 4: Simplify right side
3,430,163.25x = 8,906,033,058,531.91 - Step 5: Solve for x
x = 8,906,033,058,531.91/3,430,163.25 - Step 6: Final answer
x = 2,596,387.52
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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.