Finding the Fourth Proportional to 2,431,438.92, 3,643,897.96 and 1,892,346.12
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Solution
The fourth proportional to 2,431,438.92, 3,643,897.96 and 1,892,346.12 is: 2,835,981.65
Step by Step Solution
- Step 1: Write the proportion equation
2,431,438.92 : 3,643,897.96 = 1,892,346.12 : x - Step 2: Convert to fraction form
2,431,438.92/3,643,897.96 = 1,892,346.12/x - Step 3: Cross multiply
2,431,438.92x = 3,643,897.96 × 1,892,346.12 - Step 4: Simplify right side
2,431,438.92x = 6,895,516,166,281.92 - Step 5: Solve for x
x = 6,895,516,166,281.92/2,431,438.92 - Step 6: Final answer
x = 2,835,981.65
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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.