Finding the Fourth Proportional to 3,068,211.76, 4,233,193.92 and 1,778,794.84
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Solution
The fourth proportional to 3,068,211.76, 4,233,193.92 and 1,778,794.84 is: 2,454,192.89
Step by Step Solution
- Step 1: Write the proportion equation
3,068,211.76 : 4,233,193.92 = 1,778,794.84 : x - Step 2: Convert to fraction form
3,068,211.76/4,233,193.92 = 1,778,794.84/x - Step 3: Cross multiply
3,068,211.76x = 4,233,193.92 × 1,778,794.84 - Step 4: Simplify right side
3,068,211.76x = 7,529,983,501,615.37 - Step 5: Solve for x
x = 7,529,983,501,615.37/3,068,211.76 - Step 6: Final answer
x = 2,454,192.89
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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.