Finding the Fourth Proportional to 3,348,146.94, 4,618,739.39 and 2,187,272.71
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Solution
The fourth proportional to 3,348,146.94, 4,618,739.39 and 2,187,272.71 is: 3,017,323.55
Step by Step Solution
- Step 1: Write the proportion equation
3,348,146.94 : 4,618,739.39 = 2,187,272.71 : x - Step 2: Convert to fraction form
3,348,146.94/4,618,739.39 = 2,187,272.71/x - Step 3: Cross multiply
3,348,146.94x = 4,618,739.39 × 2,187,272.71 - Step 4: Simplify right side
3,348,146.94x = 10,102,442,622,349.05 - Step 5: Solve for x
x = 10,102,442,622,349.05/3,348,146.94 - Step 6: Final answer
x = 3,017,323.55
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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.