Finding the Fourth Proportional to 8,289,219.40, 12,430,142.70 and 3,802,870.60
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Solution
The fourth proportional to 8,289,219.40, 12,430,142.70 and 3,802,870.60 is: 5,702,614.68
Step by Step Solution
- Step 1: Write the proportion equation
8,289,219.40 : 12,430,142.70 = 3,802,870.60 : x - Step 2: Convert to fraction form
8,289,219.40/12,430,142.70 = 3,802,870.60/x - Step 3: Cross multiply
8,289,219.40x = 12,430,142.70 × 3,802,870.60 - Step 4: Simplify right side
8,289,219.40x = 47,270,224,227,634.62 - Step 5: Solve for x
x = 47,270,224,227,634.62/8,289,219.40 - Step 6: Final answer
x = 5,702,614.68
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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.