Finding the Fourth Proportional to 3,207,865.16, 4,812,871.90 and 1,048,989.80
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Solution
The fourth proportional to 3,207,865.16, 4,812,871.90 and 1,048,989.80 is: 1,573,835.96
Step by Step Solution
- Step 1: Write the proportion equation
3,207,865.16 : 4,812,871.90 = 1,048,989.80 : x - Step 2: Convert to fraction form
3,207,865.16/4,812,871.90 = 1,048,989.80/x - Step 3: Cross multiply
3,207,865.16x = 4,812,871.90 × 1,048,989.80 - Step 4: Simplify right side
3,207,865.16x = 5,048,653,531,806.62 - Step 5: Solve for x
x = 5,048,653,531,806.62/3,207,865.16 - Step 6: Final answer
x = 1,573,835.96
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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.