Finding the Fourth Proportional to 6,397,863.10, 9,596,794.68 and 2,138,031.34
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Solution
The fourth proportional to 6,397,863.10, 9,596,794.68 and 2,138,031.34 is: 3,207,047.02
Step by Step Solution
- Step 1: Write the proportion equation
6,397,863.10 : 9,596,794.68 = 2,138,031.34 : x - Step 2: Convert to fraction form
6,397,863.10/9,596,794.68 = 2,138,031.34/x - Step 3: Cross multiply
6,397,863.10x = 9,596,794.68 × 2,138,031.34 - Step 4: Simplify right side
6,397,863.10x = 20,518,247,765,393.28 - Step 5: Solve for x
x = 20,518,247,765,393.28/6,397,863.10 - Step 6: Final answer
x = 3,207,047.02
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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.