Finding the Fourth Proportional to 2,592,916.74, 3,889,375.11 and 699,655.14
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Solution
The fourth proportional to 2,592,916.74, 3,889,375.11 and 699,655.14 is: 1,049,482.71
Step by Step Solution
- Step 1: Write the proportion equation
2,592,916.74 : 3,889,375.11 = 699,655.14 : x - Step 2: Convert to fraction form
2,592,916.74/3,889,375.11 = 699,655.14/x - Step 3: Cross multiply
2,592,916.74x = 3,889,375.11 × 699,655.14 - Step 4: Simplify right side
2,592,916.74x = 2,721,221,274,752.42 - Step 5: Solve for x
x = 2,721,221,274,752.42/2,592,916.74 - Step 6: Final answer
x = 1,049,482.71
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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.