Finding the Fourth Proportional to 6,397,880.18, 9,596,820.29 and 2,138,048.42
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Solution
The fourth proportional to 6,397,880.18, 9,596,820.29 and 2,138,048.42 is: 3,207,072.63
Step by Step Solution
- Step 1: Write the proportion equation
6,397,880.18 : 9,596,820.29 = 2,138,048.42 : x - Step 2: Convert to fraction form
6,397,880.18/9,596,820.29 = 2,138,048.42/x - Step 3: Cross multiply
6,397,880.18x = 9,596,820.29 × 2,138,048.42 - Step 4: Simplify right side
6,397,880.18x = 20,518,466,399,384.10 - Step 5: Solve for x
x = 20,518,466,399,384.10/6,397,880.18 - Step 6: Final answer
x = 3,207,072.63
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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.