Finding the Fourth Proportional to 1,522,108.76, 2,100,544.03 and 868,721.68
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Solution
The fourth proportional to 1,522,108.76, 2,100,544.03 and 868,721.68 is: 1,198,855.28
Step by Step Solution
- Step 1: Write the proportion equation
1,522,108.76 : 2,100,544.03 = 868,721.68 : x - Step 2: Convert to fraction form
1,522,108.76/2,100,544.03 = 868,721.68/x - Step 3: Cross multiply
1,522,108.76x = 2,100,544.03 × 868,721.68 - Step 4: Simplify right side
1,522,108.76x = 1,824,788,128,152.85 - Step 5: Solve for x
x = 1,824,788,128,152.85/1,522,108.76 - Step 6: Final answer
x = 1,198,855.28
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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.