Finding the Fourth Proportional to 6,787,481.34, 9,366,909.09 and 3,690,213.12
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Solution
The fourth proportional to 6,787,481.34, 9,366,909.09 and 3,690,213.12 is: 5,092,594.60
Step by Step Solution
- Step 1: Write the proportion equation
6,787,481.34 : 9,366,909.09 = 3,690,213.12 : x - Step 2: Convert to fraction form
6,787,481.34/9,366,909.09 = 3,690,213.12/x - Step 3: Cross multiply
6,787,481.34x = 9,366,909.09 × 3,690,213.12 - Step 4: Simplify right side
6,787,481.34x = 34,565,890,817,765.26 - Step 5: Solve for x
x = 34,565,890,817,765.26/6,787,481.34 - Step 6: Final answer
x = 5,092,594.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.