Finding the Fourth Proportional to 1,672,964.20, 2,509,441.26 and 474,887.53
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Solution
The fourth proportional to 1,672,964.20, 2,509,441.26 and 474,887.53 is: 712,329.87
Step by Step Solution
- Step 1: Write the proportion equation
1,672,964.20 : 2,509,441.26 = 474,887.53 : x - Step 2: Convert to fraction form
1,672,964.20/2,509,441.26 = 474,887.53/x - Step 3: Cross multiply
1,672,964.20x = 2,509,441.26 × 474,887.53 - Step 4: Simplify right side
1,672,964.20x = 1,191,702,365,668.70 - Step 5: Solve for x
x = 1,191,702,365,668.70/1,672,964.20 - Step 6: Final answer
x = 712,329.87
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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.