Finding the Fourth Proportional to 1,396,611.62, 2,094,875.87 and 385,794.19
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Solution
The fourth proportional to 1,396,611.62, 2,094,875.87 and 385,794.19 is: 578,679.81
Step by Step Solution
- Step 1: Write the proportion equation
1,396,611.62 : 2,094,875.87 = 385,794.19 : x - Step 2: Convert to fraction form
1,396,611.62/2,094,875.87 = 385,794.19/x - Step 3: Cross multiply
1,396,611.62x = 2,094,875.87 × 385,794.19 - Step 4: Simplify right side
1,396,611.62x = 808,190,940,106.82 - Step 5: Solve for x
x = 808,190,940,106.82/1,396,611.62 - Step 6: Final answer
x = 578,679.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.