Finding the Fourth Proportional to 5,661,624.40, 7,813,687.08 and 3,369,792.40
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Solution
The fourth proportional to 5,661,624.40, 7,813,687.08 and 3,369,792.40 is: 4,650,697.66
Step by Step Solution
- Step 1: Write the proportion equation
5,661,624.40 : 7,813,687.08 = 3,369,792.40 : x - Step 2: Convert to fraction form
5,661,624.40/7,813,687.08 = 3,369,792.40/x - Step 3: Cross multiply
5,661,624.40x = 7,813,687.08 × 3,369,792.40 - Step 4: Simplify right side
5,661,624.40x = 26,330,503,338,162.19 - Step 5: Solve for x
x = 26,330,503,338,162.19/5,661,624.40 - Step 6: Final answer
x = 4,650,697.66
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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.