Finding the Fourth Proportional to 3,705,772.80, 5,550,364.80 and 3,042,220.80
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Solution
The fourth proportional to 3,705,772.80, 5,550,364.80 and 3,042,220.80 is: 4,556,521.99
Step by Step Solution
- Step 1: Write the proportion equation
3,705,772.80 : 5,550,364.80 = 3,042,220.80 : x - Step 2: Convert to fraction form
3,705,772.80/5,550,364.80 = 3,042,220.80/x - Step 3: Cross multiply
3,705,772.80x = 5,550,364.80 × 3,042,220.80 - Step 4: Simplify right side
3,705,772.80x = 16,885,435,242,147.84 - Step 5: Solve for x
x = 16,885,435,242,147.84/3,705,772.80 - Step 6: Final answer
x = 4,556,521.99
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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.