Finding the Fourth Proportional to 3,850,271.19, 5,313,413.58 and 2,131,354.80
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Solution
The fourth proportional to 3,850,271.19, 5,313,413.58 and 2,131,354.80 is: 2,941,291.40
Step by Step Solution
- Step 1: Write the proportion equation
3,850,271.19 : 5,313,413.58 = 2,131,354.80 : x - Step 2: Convert to fraction form
3,850,271.19/5,313,413.58 = 2,131,354.80/x - Step 3: Cross multiply
3,850,271.19x = 5,313,413.58 × 2,131,354.80 - Step 4: Simplify right side
3,850,271.19x = 11,324,769,538,118.18 - Step 5: Solve for x
x = 11,324,769,538,118.18/3,850,271.19 - Step 6: Final answer
x = 2,941,291.40
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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.