Finding the Fourth Proportional to 4,414,830.84, 6,618,674.70 and 1,380,635.64
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Solution
The fourth proportional to 4,414,830.84, 6,618,674.70 and 1,380,635.64 is: 2,069,836.54
Step by Step Solution
- Step 1: Write the proportion equation
4,414,830.84 : 6,618,674.70 = 1,380,635.64 : x - Step 2: Convert to fraction form
4,414,830.84/6,618,674.70 = 1,380,635.64/x - Step 3: Cross multiply
4,414,830.84x = 6,618,674.70 × 1,380,635.64 - Step 4: Simplify right side
4,414,830.84x = 9,137,978,180,386.31 - Step 5: Solve for x
x = 9,137,978,180,386.31/4,414,830.84 - Step 6: Final answer
x = 2,069,836.54
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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.