Finding the Fourth Proportional to 5,262,405.62, 7,262,119.78 and 2,847,957.62
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Solution
The fourth proportional to 5,262,405.62, 7,262,119.78 and 2,847,957.62 is: 3,930,181.52
Step by Step Solution
- Step 1: Write the proportion equation
5,262,405.62 : 7,262,119.78 = 2,847,957.62 : x - Step 2: Convert to fraction form
5,262,405.62/7,262,119.78 = 2,847,957.62/x - Step 3: Cross multiply
5,262,405.62x = 7,262,119.78 × 2,847,957.62 - Step 4: Simplify right side
5,262,405.62x = 20,682,209,321,373.23 - Step 5: Solve for x
x = 20,682,209,321,373.23/5,262,405.62 - Step 6: Final answer
x = 3,930,181.52
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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.