Finding the Fourth Proportional to 6,894,813.99, 10,342,188.18 and 2,102,487.37
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Solution
The fourth proportional to 6,894,813.99, 10,342,188.18 and 2,102,487.37 is: 3,153,721.05
Step by Step Solution
- Step 1: Write the proportion equation
6,894,813.99 : 10,342,188.18 = 2,102,487.37 : x - Step 2: Convert to fraction form
6,894,813.99/10,342,188.18 = 2,102,487.37/x - Step 3: Cross multiply
6,894,813.99x = 10,342,188.18 × 2,102,487.37 - Step 4: Simplify right side
6,894,813.99x = 21,744,320,000,757.82 - Step 5: Solve for x
x = 21,744,320,000,757.82/6,894,813.99 - Step 6: Final answer
x = 3,153,721.05
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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.