Finding the Fourth Proportional to 3,283,885.20, 4,915,330.20 and 2,339,101.20
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Solution
The fourth proportional to 3,283,885.20, 4,915,330.20 and 2,339,101.20 is: 3,501,174.39
Step by Step Solution
- Step 1: Write the proportion equation
3,283,885.20 : 4,915,330.20 = 2,339,101.20 : x - Step 2: Convert to fraction form
3,283,885.20/4,915,330.20 = 2,339,101.20/x - Step 3: Cross multiply
3,283,885.20x = 4,915,330.20 × 2,339,101.20 - Step 4: Simplify right side
3,283,885.20x = 11,497,454,769,216.24 - Step 5: Solve for x
x = 11,497,454,769,216.24/3,283,885.20 - Step 6: Final answer
x = 3,501,174.39
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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.