Finding the Fourth Proportional to 1,576,415.88, 2,364,955.92 and 511,374.78
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Solution
The fourth proportional to 1,576,415.88, 2,364,955.92 and 511,374.78 is: 767,169.90
Step by Step Solution
- Step 1: Write the proportion equation
1,576,415.88 : 2,364,955.92 = 511,374.78 : x - Step 2: Convert to fraction form
1,576,415.88/2,364,955.92 = 511,374.78/x - Step 3: Cross multiply
1,576,415.88x = 2,364,955.92 × 511,374.78 - Step 4: Simplify right side
1,576,415.88x = 1,209,378,813,299.70 - Step 5: Solve for x
x = 1,209,378,813,299.70/1,576,415.88 - Step 6: Final answer
x = 767,169.90
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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.