Finding the Fourth Proportional to 3,708,138.40, 5,562,207.60 and 3,070,409.20
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Solution
The fourth proportional to 3,708,138.40, 5,562,207.60 and 3,070,409.20 is: 4,605,613.80
Step by Step Solution
- Step 1: Write the proportion equation
3,708,138.40 : 5,562,207.60 = 3,070,409.20 : x - Step 2: Convert to fraction form
3,708,138.40/5,562,207.60 = 3,070,409.20/x - Step 3: Cross multiply
3,708,138.40x = 5,562,207.60 × 3,070,409.20 - Step 4: Simplify right side
3,708,138.40x = 17,078,253,387,349.92 - Step 5: Solve for x
x = 17,078,253,387,349.92/3,708,138.40 - Step 6: Final answer
x = 4,605,613.80
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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.