Finding the Fourth Proportional to 1,480,939.70, 2,221,495.67 and 416,064.80
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Solution
The fourth proportional to 1,480,939.70, 2,221,495.67 and 416,064.80 is: 624,121.40
Step by Step Solution
- Step 1: Write the proportion equation
1,480,939.70 : 2,221,495.67 = 416,064.80 : x - Step 2: Convert to fraction form
1,480,939.70/2,221,495.67 = 416,064.80/x - Step 3: Cross multiply
1,480,939.70x = 2,221,495.67 × 416,064.80 - Step 4: Simplify right side
1,480,939.70x = 924,286,158,233.32 - Step 5: Solve for x
x = 924,286,158,233.32/1,480,939.70 - Step 6: Final answer
x = 624,121.40
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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.