Finding the Fourth Proportional to 2,239,606.40, 3,359,409.60 and 1,330,251.80
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Solution
The fourth proportional to 2,239,606.40, 3,359,409.60 and 1,330,251.80 is: 1,995,377.70
Step by Step Solution
- Step 1: Write the proportion equation
2,239,606.40 : 3,359,409.60 = 1,330,251.80 : x - Step 2: Convert to fraction form
2,239,606.40/3,359,409.60 = 1,330,251.80/x - Step 3: Cross multiply
2,239,606.40x = 3,359,409.60 × 1,330,251.80 - Step 4: Simplify right side
2,239,606.40x = 4,468,860,667,337.28 - Step 5: Solve for x
x = 4,468,860,667,337.28/2,239,606.40 - Step 6: Final answer
x = 1,995,377.70
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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.