Finding the Fourth Proportional to 7,293,829.60, 10,941,211.20 and 2,806,105.60
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Solution
The fourth proportional to 7,293,829.60, 10,941,211.20 and 2,806,105.60 is: 4,209,337.99
Step by Step Solution
- Step 1: Write the proportion equation
7,293,829.60 : 10,941,211.20 = 2,806,105.60 : x - Step 2: Convert to fraction form
7,293,829.60/10,941,211.20 = 2,806,105.60/x - Step 3: Cross multiply
7,293,829.60x = 10,941,211.20 × 2,806,105.60 - Step 4: Simplify right side
7,293,829.60x = 30,702,194,019,102.72 - Step 5: Solve for x
x = 30,702,194,019,102.72/7,293,829.60 - Step 6: Final answer
x = 4,209,337.99
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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.