Finding the Fourth Proportional to 3,138,779.12, 4,708,212.42 and 894,917.12
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Solution
The fourth proportional to 3,138,779.12, 4,708,212.42 and 894,917.12 is: 1,342,388.15
Step by Step Solution
- Step 1: Write the proportion equation
3,138,779.12 : 4,708,212.42 = 894,917.12 : x - Step 2: Convert to fraction form
3,138,779.12/4,708,212.42 = 894,917.12/x - Step 3: Cross multiply
3,138,779.12x = 4,708,212.42 × 894,917.12 - Step 4: Simplify right side
3,138,779.12x = 4,213,459,899,254.63 - Step 5: Solve for x
x = 4,213,459,899,254.63/3,138,779.12 - Step 6: Final answer
x = 1,342,388.15
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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.