Finding the Fourth Proportional to 4,920,503.40, 7,381,751.26 and 2,080,610.92
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Solution
The fourth proportional to 4,920,503.40, 7,381,751.26 and 2,080,610.92 is: 3,121,337.60
Step by Step Solution
- Step 1: Write the proportion equation
4,920,503.40 : 7,381,751.26 = 2,080,610.92 : x - Step 2: Convert to fraction form
4,920,503.40/7,381,751.26 = 2,080,610.92/x - Step 3: Cross multiply
4,920,503.40x = 7,381,751.26 × 2,080,610.92 - Step 4: Simplify right side
4,920,503.40x = 15,358,552,280,279.76 - Step 5: Solve for x
x = 15,358,552,280,279.76/4,920,503.40 - Step 6: Final answer
x = 3,121,337.60
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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.