Finding the Fourth Proportional to 3,138,779.62, 4,708,213.17 and 894,917.62
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Solution
The fourth proportional to 3,138,779.62, 4,708,213.17 and 894,917.62 is: 1,342,388.90
Step by Step Solution
- Step 1: Write the proportion equation
3,138,779.62 : 4,708,213.17 = 894,917.62 : x - Step 2: Convert to fraction form
3,138,779.62/4,708,213.17 = 894,917.62/x - Step 3: Cross multiply
3,138,779.62x = 4,708,213.17 × 894,917.62 - Step 4: Simplify right side
3,138,779.62x = 4,213,462,924,549.06 - Step 5: Solve for x
x = 4,213,462,924,549.06/3,138,779.62 - Step 6: Final answer
x = 1,342,388.90
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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.