Finding the Fourth Proportional to 3,347,439.68, 5,018,329.92 and 1,452,756.80
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Solution
The fourth proportional to 3,347,439.68, 5,018,329.92 and 1,452,756.80 is: 2,177,907.18
Step by Step Solution
- Step 1: Write the proportion equation
3,347,439.68 : 5,018,329.92 = 1,452,756.80 : x - Step 2: Convert to fraction form
3,347,439.68/5,018,329.92 = 1,452,756.80/x - Step 3: Cross multiply
3,347,439.68x = 5,018,329.92 × 1,452,756.80 - Step 4: Simplify right side
3,347,439.68x = 7,290,412,915,923.46 - Step 5: Solve for x
x = 7,290,412,915,923.46/3,347,439.68 - Step 6: Final answer
x = 2,177,907.18
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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.