Finding the Fourth Proportional to 4,129,407.30, 6,194,110.95 and 3,279,101.70
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Solution
The fourth proportional to 4,129,407.30, 6,194,110.95 and 3,279,101.70 is: 4,918,652.55
Step by Step Solution
- Step 1: Write the proportion equation
4,129,407.30 : 6,194,110.95 = 3,279,101.70 : x - Step 2: Convert to fraction form
4,129,407.30/6,194,110.95 = 3,279,101.70/x - Step 3: Cross multiply
4,129,407.30x = 6,194,110.95 × 3,279,101.70 - Step 4: Simplify right side
4,129,407.30x = 20,311,119,746,133.62 - Step 5: Solve for x
x = 20,311,119,746,133.62/4,129,407.30 - Step 6: Final answer
x = 4,918,652.55
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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.