Finding the Fourth Proportional to 3,236,425.58, 4,854,725.85 and 840,217.16
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Solution
The fourth proportional to 3,236,425.58, 4,854,725.85 and 840,217.16 is: 1,260,348.45
Step by Step Solution
- Step 1: Write the proportion equation
3,236,425.58 : 4,854,725.85 = 840,217.16 : x - Step 2: Convert to fraction form
3,236,425.58/4,854,725.85 = 840,217.16/x - Step 3: Cross multiply
3,236,425.58x = 4,854,725.85 × 840,217.16 - Step 4: Simplify right side
3,236,425.58x = 4,079,023,966,265.59 - Step 5: Solve for x
x = 4,079,023,966,265.59/3,236,425.58 - Step 6: Final answer
x = 1,260,348.45
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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.