Finding the Fourth Proportional to 3,152,906.70, 4,351,719.48 and 2,064,546.18
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Solution
The fourth proportional to 3,152,906.70, 4,351,719.48 and 2,064,546.18 is: 2,849,537.49
Step by Step Solution
- Step 1: Write the proportion equation
3,152,906.70 : 4,351,719.48 = 2,064,546.18 : x - Step 2: Convert to fraction form
3,152,906.70/4,351,719.48 = 2,064,546.18/x - Step 3: Cross multiply
3,152,906.70x = 4,351,719.48 × 2,064,546.18 - Step 4: Simplify right side
3,152,906.70x = 8,984,325,828,865.59 - Step 5: Solve for x
x = 8,984,325,828,865.59/3,152,906.70 - Step 6: Final answer
x = 2,849,537.49
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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.