Finding the Fourth Proportional to 4,635,404.80, 6,953,625.60 and 1,440,505.60
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Solution
The fourth proportional to 4,635,404.80, 6,953,625.60 and 1,440,505.60 is: 2,160,919.50
Step by Step Solution
- Step 1: Write the proportion equation
4,635,404.80 : 6,953,625.60 = 1,440,505.60 : x - Step 2: Convert to fraction form
4,635,404.80/6,953,625.60 = 1,440,505.60/x - Step 3: Cross multiply
4,635,404.80x = 6,953,625.60 × 1,440,505.60 - Step 4: Simplify right side
4,635,404.80x = 10,016,736,617,103.36 - Step 5: Solve for x
x = 10,016,736,617,103.36/4,635,404.80 - Step 6: Final answer
x = 2,160,919.50
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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.