Finding the Fourth Proportional to 2,343,468.92, 3,234,048.12 and 1,310,942.48
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Solution
The fourth proportional to 2,343,468.92, 3,234,048.12 and 1,310,942.48 is: 1,809,134.75
Step by Step Solution
- Step 1: Write the proportion equation
2,343,468.92 : 3,234,048.12 = 1,310,942.48 : x - Step 2: Convert to fraction form
2,343,468.92/3,234,048.12 = 1,310,942.48/x - Step 3: Cross multiply
2,343,468.92x = 3,234,048.12 × 1,310,942.48 - Step 4: Simplify right side
2,343,468.92x = 4,239,651,046,701.90 - Step 5: Solve for x
x = 4,239,651,046,701.90/2,343,468.92 - Step 6: Final answer
x = 1,809,134.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.