Finding the Fourth Proportional to 5,166,130.88, 7,750,375.68 and 1,572,407.12
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Solution
The fourth proportional to 5,166,130.88, 7,750,375.68 and 1,572,407.12 is: 2,358,969.64
Step by Step Solution
- Step 1: Write the proportion equation
5,166,130.88 : 7,750,375.68 = 1,572,407.12 : x - Step 2: Convert to fraction form
5,166,130.88/7,750,375.68 = 1,572,407.12/x - Step 3: Cross multiply
5,166,130.88x = 7,750,375.68 × 1,572,407.12 - Step 4: Simplify right side
5,166,130.88x = 12,186,745,901,906.84 - Step 5: Solve for x
x = 12,186,745,901,906.84/5,166,130.88 - Step 6: Final answer
x = 2,358,969.64
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.