Finding the Fourth Proportional to 4,457,467.40, 6,151,132.50 and 2,420,230.28
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Solution
The fourth proportional to 4,457,467.40, 6,151,132.50 and 2,420,230.28 is: 3,339,824.12
Step by Step Solution
- Step 1: Write the proportion equation
4,457,467.40 : 6,151,132.50 = 2,420,230.28 : x - Step 2: Convert to fraction form
4,457,467.40/6,151,132.50 = 2,420,230.28/x - Step 3: Cross multiply
4,457,467.40x = 6,151,132.50 × 2,420,230.28 - Step 4: Simplify right side
4,457,467.40x = 14,887,157,132,792.10 - Step 5: Solve for x
x = 14,887,157,132,792.10/4,457,467.40 - Step 6: Final answer
x = 3,339,824.12
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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.