Finding the Fourth Proportional to 3,258,220.74, 4,888,120.71 and 983,609.07
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Solution
The fourth proportional to 3,258,220.74, 4,888,120.71 and 983,609.07 is: 1,475,651.97
Step by Step Solution
- Step 1: Write the proportion equation
3,258,220.74 : 4,888,120.71 = 983,609.07 : x - Step 2: Convert to fraction form
3,258,220.74/4,888,120.71 = 983,609.07/x - Step 3: Cross multiply
3,258,220.74x = 4,888,120.71 × 983,609.07 - Step 4: Simplify right side
3,258,220.74x = 4,807,999,865,610.84 - Step 5: Solve for x
x = 4,807,999,865,610.84/3,258,220.74 - Step 6: Final answer
x = 1,475,651.97
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1.5x scale
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.