Finding the Fourth Proportional to 3,229,105.64, 4,456,176.80 and 1,778,797.62
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Solution
The fourth proportional to 3,229,105.64, 4,456,176.80 and 1,778,797.62 is: 2,454,746.79
Step by Step Solution
- Step 1: Write the proportion equation
3,229,105.64 : 4,456,176.80 = 1,778,797.62 : x - Step 2: Convert to fraction form
3,229,105.64/4,456,176.80 = 1,778,797.62/x - Step 3: Cross multiply
3,229,105.64x = 4,456,176.80 × 1,778,797.62 - Step 4: Simplify right side
3,229,105.64x = 7,926,636,677,245.23 - Step 5: Solve for x
x = 7,926,636,677,245.23/3,229,105.64 - Step 6: Final answer
x = 2,454,746.79
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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.