Finding the Fourth Proportional to 1,593,806.36, 2,199,388.61 and 868,638.47
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Solution
The fourth proportional to 1,593,806.36, 2,199,388.61 and 868,638.47 is: 1,198,686.12
Step by Step Solution
- Step 1: Write the proportion equation
1,593,806.36 : 2,199,388.61 = 868,638.47 : x - Step 2: Convert to fraction form
1,593,806.36/2,199,388.61 = 868,638.47/x - Step 3: Cross multiply
1,593,806.36x = 2,199,388.61 × 868,638.47 - Step 4: Simplify right side
1,593,806.36x = 1,910,473,548,300.48 - Step 5: Solve for x
x = 1,910,473,548,300.48/1,593,806.36 - Step 6: Final answer
x = 1,198,686.12
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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.