Finding the Fourth Proportional to 3,180,759.84, 4,389,458.88 and 1,730,454.96
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Solution
The fourth proportional to 3,180,759.84, 4,389,458.88 and 1,730,454.96 is: 2,388,033.45
Step by Step Solution
- Step 1: Write the proportion equation
3,180,759.84 : 4,389,458.88 = 1,730,454.96 : x - Step 2: Convert to fraction form
3,180,759.84/4,389,458.88 = 1,730,454.96/x - Step 3: Cross multiply
3,180,759.84x = 4,389,458.88 × 1,730,454.96 - Step 4: Simplify right side
3,180,759.84x = 7,595,760,890,612.05 - Step 5: Solve for x
x = 7,595,760,890,612.05/3,180,759.84 - Step 6: Final answer
x = 2,388,033.45
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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.