Finding the Fourth Proportional to 3,534,235.20, 5,304,117.60 and 1,641,211.20
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Solution
The fourth proportional to 3,534,235.20, 5,304,117.60 and 1,641,211.20 is: 2,463,100.70
Step by Step Solution
- Step 1: Write the proportion equation
3,534,235.20 : 5,304,117.60 = 1,641,211.20 : x - Step 2: Convert to fraction form
3,534,235.20/5,304,117.60 = 1,641,211.20/x - Step 3: Cross multiply
3,534,235.20x = 5,304,117.60 × 1,641,211.20 - Step 4: Simplify right side
3,534,235.20x = 8,705,177,211,237.12 - Step 5: Solve for x
x = 8,705,177,211,237.12/3,534,235.20 - Step 6: Final answer
x = 2,463,100.70
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1.5x scale
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.