Finding the Fourth Proportional to 4,009,481.98, 5,532,580.26 and 2,290,713.21
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Solution
The fourth proportional to 4,009,481.98, 5,532,580.26 and 2,290,713.21 is: 3,160,895.79
Step by Step Solution
- Step 1: Write the proportion equation
4,009,481.98 : 5,532,580.26 = 2,290,713.21 : x - Step 2: Convert to fraction form
4,009,481.98/5,532,580.26 = 2,290,713.21/x - Step 3: Cross multiply
4,009,481.98x = 5,532,580.26 × 2,290,713.21 - Step 4: Simplify right side
4,009,481.98x = 12,673,554,686,967.23 - Step 5: Solve for x
x = 12,673,554,686,967.23/4,009,481.98 - Step 6: Final answer
x = 3,160,895.79
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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.