Finding the Fourth Proportional to 3,552,340.24, 4,902,229.31 and 1,920,747.12
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Solution
The fourth proportional to 3,552,340.24, 4,902,229.31 and 1,920,747.12 is: 2,650,630.91
Step by Step Solution
- Step 1: Write the proportion equation
3,552,340.24 : 4,902,229.31 = 1,920,747.12 : x - Step 2: Convert to fraction form
3,552,340.24/4,902,229.31 = 1,920,747.12/x - Step 3: Cross multiply
3,552,340.24x = 4,902,229.31 × 1,920,747.12 - Step 4: Simplify right side
3,552,340.24x = 9,415,942,828,762.09 - Step 5: Solve for x
x = 9,415,942,828,762.09/3,552,340.24 - Step 6: Final answer
x = 2,650,630.91
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1.5x scale
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.