Finding the Fourth Proportional to 4,469,284.80, 6,703,927.20 and 1,103,491.80
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Solution
The fourth proportional to 4,469,284.80, 6,703,927.20 and 1,103,491.80 is: 1,655,237.70
Step by Step Solution
- Step 1: Write the proportion equation
4,469,284.80 : 6,703,927.20 = 1,103,491.80 : x - Step 2: Convert to fraction form
4,469,284.80/6,703,927.20 = 1,103,491.80/x - Step 3: Cross multiply
4,469,284.80x = 6,703,927.20 × 1,103,491.80 - Step 4: Simplify right side
4,469,284.80x = 7,397,728,692,996.96 - Step 5: Solve for x
x = 7,397,728,692,996.96/4,469,284.80 - Step 6: Final answer
x = 1,655,237.70
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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.