Finding the Fourth Proportional to 2,138,676.14, 3,213,031.17 and 2,017,623.26
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Solution
The fourth proportional to 2,138,676.14, 3,213,031.17 and 2,017,623.26 is: 3,031,167.88
Step by Step Solution
- Step 1: Write the proportion equation
2,138,676.14 : 3,213,031.17 = 2,017,623.26 : x - Step 2: Convert to fraction form
2,138,676.14/3,213,031.17 = 2,017,623.26/x - Step 3: Cross multiply
2,138,676.14x = 3,213,031.17 × 2,017,623.26 - Step 4: Simplify right side
2,138,676.14x = 6,482,686,423,697.01 - Step 5: Solve for x
x = 6,482,686,423,697.01/2,138,676.14 - Step 6: Final answer
x = 3,031,167.88
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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.