Finding the Fourth Proportional to 1,576,321.90, 2,364,484.67 and 511,446.99
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Solution
The fourth proportional to 1,576,321.90, 2,364,484.67 and 511,446.99 is: 767,171.08
Step by Step Solution
- Step 1: Write the proportion equation
1,576,321.90 : 2,364,484.67 = 511,446.99 : x - Step 2: Convert to fraction form
1,576,321.90/2,364,484.67 = 511,446.99/x - Step 3: Cross multiply
1,576,321.90x = 2,364,484.67 × 511,446.99 - Step 4: Simplify right side
1,576,321.90x = 1,209,308,575,600.15 - Step 5: Solve for x
x = 1,209,308,575,600.15/1,576,321.90 - Step 6: Final answer
x = 767,171.08
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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.