Finding the Fourth Proportional to 3,138,789.62, 4,708,228.20 and 894,927.62
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Solution
The fourth proportional to 3,138,789.62, 4,708,228.20 and 894,927.62 is: 1,342,403.91
Step by Step Solution
- Step 1: Write the proportion equation
3,138,789.62 : 4,708,228.20 = 894,927.62 : x - Step 2: Convert to fraction form
3,138,789.62/4,708,228.20 = 894,927.62/x - Step 3: Cross multiply
3,138,789.62x = 4,708,228.20 × 894,927.62 - Step 4: Simplify right side
3,138,789.62x = 4,213,523,457,442.88 - Step 5: Solve for x
x = 4,213,523,457,442.88/3,138,789.62 - Step 6: Final answer
x = 1,342,403.91
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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.