Finding the Fourth Proportional to 5,389,368.70, 8,084,053.05 and 2,555,016.70
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Solution
The fourth proportional to 5,389,368.70, 8,084,053.05 and 2,555,016.70 is: 3,832,525.05
Step by Step Solution
- Step 1: Write the proportion equation
5,389,368.70 : 8,084,053.05 = 2,555,016.70 : x - Step 2: Convert to fraction form
5,389,368.70/8,084,053.05 = 2,555,016.70/x - Step 3: Cross multiply
5,389,368.70x = 8,084,053.05 × 2,555,016.70 - Step 4: Simplify right side
5,389,368.70x = 20,654,890,546,435.94 - Step 5: Solve for x
x = 20,654,890,546,435.94/5,389,368.70 - Step 6: Final answer
x = 3,832,525.05
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Similar ratio
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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.