Finding the Fourth Proportional to 3,589,707.12, 4,960,246.98 and 2,728,772.70
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Solution
The fourth proportional to 3,589,707.12, 4,960,246.98 and 2,728,772.70 is: 3,770,610.27
Step by Step Solution
- Step 1: Write the proportion equation
3,589,707.12 : 4,960,246.98 = 2,728,772.70 : x - Step 2: Convert to fraction form
3,589,707.12/4,960,246.98 = 2,728,772.70/x - Step 3: Cross multiply
3,589,707.12x = 4,960,246.98 × 2,728,772.70 - Step 4: Simplify right side
3,589,707.12x = 13,535,386,544,281.45 - Step 5: Solve for x
x = 13,535,386,544,281.45/3,589,707.12 - Step 6: Final answer
x = 3,770,610.27
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.