Finding the Fourth Proportional to 3,126,311.42, 4,689,459.84 and 2,053,595.21
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Solution
The fourth proportional to 3,126,311.42, 4,689,459.84 and 2,053,595.21 is: 3,080,388.03
Step by Step Solution
- Step 1: Write the proportion equation
3,126,311.42 : 4,689,459.84 = 2,053,595.21 : x - Step 2: Convert to fraction form
3,126,311.42/4,689,459.84 = 2,053,595.21/x - Step 3: Cross multiply
3,126,311.42x = 4,689,459.84 × 2,053,595.21 - Step 4: Simplify right side
3,126,311.42x = 9,630,252,264,911.37 - Step 5: Solve for x
x = 9,630,252,264,911.37/3,126,311.42 - Step 6: Final answer
x = 3,080,388.03
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1.5x scale
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.