Finding the Fourth Proportional to 4,477,511.20, 6,179,136.78 and 2,440,320.70
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Solution
The fourth proportional to 4,477,511.20, 6,179,136.78 and 2,440,320.70 is: 3,367,735.94
Step by Step Solution
- Step 1: Write the proportion equation
4,477,511.20 : 6,179,136.78 = 2,440,320.70 : x - Step 2: Convert to fraction form
4,477,511.20/6,179,136.78 = 2,440,320.70/x - Step 3: Cross multiply
4,477,511.20x = 6,179,136.78 × 2,440,320.70 - Step 4: Simplify right side
4,477,511.20x = 15,079,075,392,365.35 - Step 5: Solve for x
x = 15,079,075,392,365.35/4,477,511.20 - Step 6: Final answer
x = 3,367,735.94
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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.