Finding the Fourth Proportional to 3,373,911.02, 4,651,153.95 and 2,405,359.80
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Solution
The fourth proportional to 3,373,911.02, 4,651,153.95 and 2,405,359.80 is: 3,315,943.62
Step by Step Solution
- Step 1: Write the proportion equation
3,373,911.02 : 4,651,153.95 = 2,405,359.80 : x - Step 2: Convert to fraction form
3,373,911.02/4,651,153.95 = 2,405,359.80/x - Step 3: Cross multiply
3,373,911.02x = 4,651,153.95 × 2,405,359.80 - Step 4: Simplify right side
3,373,911.02x = 11,187,698,743,961.31 - Step 5: Solve for x
x = 11,187,698,743,961.31/3,373,911.02 - Step 6: Final answer
x = 3,315,943.62
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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.