Finding the Fourth Proportional to 1,984,138.05, 2,975,888.46 and 544,485.23
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Solution
The fourth proportional to 1,984,138.05, 2,975,888.46 and 544,485.23 is: 816,640.41
Step by Step Solution
- Step 1: Write the proportion equation
1,984,138.05 : 2,975,888.46 = 544,485.23 : x - Step 2: Convert to fraction form
1,984,138.05/2,975,888.46 = 544,485.23/x - Step 3: Cross multiply
1,984,138.05x = 2,975,888.46 × 544,485.23 - Step 4: Simplify right side
1,984,138.05x = 1,620,327,310,919.41 - Step 5: Solve for x
x = 1,620,327,310,919.41/1,984,138.05 - Step 6: Final answer
x = 816,640.41
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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.