Finding the Fourth Proportional to 2,520,193.05, 3,477,729.63 and 1,432,313.64
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Solution
The fourth proportional to 2,520,193.05, 3,477,729.63 and 1,432,313.64 is: 1,976,515.09
Step by Step Solution
- Step 1: Write the proportion equation
2,520,193.05 : 3,477,729.63 = 1,432,313.64 : x - Step 2: Convert to fraction form
2,520,193.05/3,477,729.63 = 1,432,313.64/x - Step 3: Cross multiply
2,520,193.05x = 3,477,729.63 × 1,432,313.64 - Step 4: Simplify right side
2,520,193.05x = 4,981,199,585,281.15 - Step 5: Solve for x
x = 4,981,199,585,281.15/2,520,193.05 - Step 6: Final answer
x = 1,976,515.09
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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.