Finding the Fourth Proportional to 1,552,366.25, 2,328,385.60 and 415,243.20
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Solution
The fourth proportional to 1,552,366.25, 2,328,385.60 and 415,243.20 is: 622,820.99
Step by Step Solution
- Step 1: Write the proportion equation
1,552,366.25 : 2,328,385.60 = 415,243.20 : x - Step 2: Convert to fraction form
1,552,366.25/2,328,385.60 = 415,243.20/x - Step 3: Cross multiply
1,552,366.25x = 2,328,385.60 × 415,243.20 - Step 4: Simplify right side
1,552,366.25x = 966,846,287,377.92 - Step 5: Solve for x
x = 966,846,287,377.92/1,552,366.25 - Step 6: Final answer
x = 622,820.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.