Finding the Fourth Proportional to 2,135,940.60, 3,207,021.30 and 1,296,132.60
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Solution
The fourth proportional to 2,135,940.60, 3,207,021.30 and 1,296,132.60 is: 1,946,086.35
Step by Step Solution
- Step 1: Write the proportion equation
2,135,940.60 : 3,207,021.30 = 1,296,132.60 : x - Step 2: Convert to fraction form
2,135,940.60/3,207,021.30 = 1,296,132.60/x - Step 3: Cross multiply
2,135,940.60x = 3,207,021.30 × 1,296,132.60 - Step 4: Simplify right side
2,135,940.60x = 4,156,724,855,824.38 - Step 5: Solve for x
x = 4,156,724,855,824.38/2,135,940.60 - Step 6: Final answer
x = 1,946,086.35
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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.