Finding the Fourth Proportional to 2,946,646.20, 4,416,858.90 and 1,681,750.20
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Solution
The fourth proportional to 2,946,646.20, 4,416,858.90 and 1,681,750.20 is: 2,520,850.09
Step by Step Solution
- Step 1: Write the proportion equation
2,946,646.20 : 4,416,858.90 = 1,681,750.20 : x - Step 2: Convert to fraction form
2,946,646.20/4,416,858.90 = 1,681,750.20/x - Step 3: Cross multiply
2,946,646.20x = 4,416,858.90 × 1,681,750.20 - Step 4: Simplify right side
2,946,646.20x = 7,428,053,338,446.78 - Step 5: Solve for x
x = 7,428,053,338,446.78/2,946,646.20 - Step 6: Final answer
x = 2,520,850.09
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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.