Finding the Fourth Proportional to 1,480,574.16, 2,220,861.24 and 848,139.12
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Solution
The fourth proportional to 1,480,574.16, 2,220,861.24 and 848,139.12 is: 1,272,208.68
Step by Step Solution
- Step 1: Write the proportion equation
1,480,574.16 : 2,220,861.24 = 848,139.12 : x - Step 2: Convert to fraction form
1,480,574.16/2,220,861.24 = 848,139.12/x - Step 3: Cross multiply
1,480,574.16x = 2,220,861.24 × 848,139.12 - Step 4: Simplify right side
1,480,574.16x = 1,883,599,297,735.71 - Step 5: Solve for x
x = 1,883,599,297,735.71/1,480,574.16 - Step 6: Final answer
x = 1,272,208.68
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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.