Finding the Fourth Proportional to 4,289,672.31, 6,432,544.04 and 2,561,326.76
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Solution
The fourth proportional to 4,289,672.31, 6,432,544.04 and 2,561,326.76 is: 3,840,817.20
Step by Step Solution
- Step 1: Write the proportion equation
4,289,672.31 : 6,432,544.04 = 2,561,326.76 : x - Step 2: Convert to fraction form
4,289,672.31/6,432,544.04 = 2,561,326.76/x - Step 3: Cross multiply
4,289,672.31x = 6,432,544.04 × 2,561,326.76 - Step 4: Simplify right side
4,289,672.31x = 16,475,847,187,805.24 - Step 5: Solve for x
x = 16,475,847,187,805.24/4,289,672.31 - Step 6: Final answer
x = 3,840,817.20
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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.