Finding the Fourth Proportional to 1,512,138.30, 2,268,207.45 and 565,313.10
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Solution
The fourth proportional to 1,512,138.30, 2,268,207.45 and 565,313.10 is: 847,969.65
Step by Step Solution
- Step 1: Write the proportion equation
1,512,138.30 : 2,268,207.45 = 565,313.10 : x - Step 2: Convert to fraction form
1,512,138.30/2,268,207.45 = 565,313.10/x - Step 3: Cross multiply
1,512,138.30x = 2,268,207.45 × 565,313.10 - Step 4: Simplify right side
1,512,138.30x = 1,282,247,385,002.60 - Step 5: Solve for x
x = 1,282,247,385,002.60/1,512,138.30 - Step 6: Final answer
x = 847,969.65
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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.