Finding the Fourth Proportional to 4,644,915.06, 6,969,655.17 and 2,087,936.63
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Solution
The fourth proportional to 4,644,915.06, 6,969,655.17 and 2,087,936.63 is: 3,132,930.99
Step by Step Solution
- Step 1: Write the proportion equation
4,644,915.06 : 6,969,655.17 = 2,087,936.63 : x - Step 2: Convert to fraction form
4,644,915.06/6,969,655.17 = 2,087,936.63/x - Step 3: Cross multiply
4,644,915.06x = 6,969,655.17 × 2,087,936.63 - Step 4: Simplify right side
4,644,915.06x = 14,552,198,327,911.88 - Step 5: Solve for x
x = 14,552,198,327,911.88/4,644,915.06 - Step 6: Final answer
x = 3,132,930.99
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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.