Finding the Fourth Proportional to 2,946,135.87, 4,420,283.30 and 1,240,708.49
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Solution
The fourth proportional to 2,946,135.87, 4,420,283.30 and 1,240,708.49 is: 1,861,517.34
Step by Step Solution
- Step 1: Write the proportion equation
2,946,135.87 : 4,420,283.30 = 1,240,708.49 : x - Step 2: Convert to fraction form
2,946,135.87/4,420,283.30 = 1,240,708.49/x - Step 3: Cross multiply
2,946,135.87x = 4,420,283.30 × 1,240,708.49 - Step 4: Simplify right side
2,946,135.87x = 5,484,283,011,438.98 - Step 5: Solve for x
x = 5,484,283,011,438.98/2,946,135.87 - Step 6: Final answer
x = 1,861,517.34
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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.