Finding the Fourth Proportional to 5,544,191.20, 8,316,286.80 and 5,129,471.20
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Solution
The fourth proportional to 5,544,191.20, 8,316,286.80 and 5,129,471.20 is: 7,694,206.80
Step by Step Solution
- Step 1: Write the proportion equation
5,544,191.20 : 8,316,286.80 = 5,129,471.20 : x - Step 2: Convert to fraction form
5,544,191.20/8,316,286.80 = 5,129,471.20/x - Step 3: Cross multiply
5,544,191.20x = 8,316,286.80 × 5,129,471.20 - Step 4: Simplify right side
5,544,191.20x = 42,658,153,631,540.16 - Step 5: Solve for x
x = 42,658,153,631,540.16/5,544,191.20 - Step 6: Final answer
x = 7,694,206.80
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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.