Finding the Fourth Proportional to 6,100,957.60, 8,420,329.36 and 3,385,578.40
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Solution
The fourth proportional to 6,100,957.60, 8,420,329.36 and 3,385,578.40 is: 4,672,657.49
Step by Step Solution
- Step 1: Write the proportion equation
6,100,957.60 : 8,420,329.36 = 3,385,578.40 : x - Step 2: Convert to fraction form
6,100,957.60/8,420,329.36 = 3,385,578.40/x - Step 3: Cross multiply
6,100,957.60x = 8,420,329.36 × 3,385,578.40 - Step 4: Simplify right side
6,100,957.60x = 28,507,685,202,101.82 - Step 5: Solve for x
x = 28,507,685,202,101.82/6,100,957.60 - Step 6: Final answer
x = 4,672,657.49
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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.