Finding the Fourth Proportional to 1,599,556.16, 2,207,402.21 and 911,217.83
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Solution
The fourth proportional to 1,599,556.16, 2,207,402.21 and 911,217.83 is: 1,257,488.98
Step by Step Solution
- Step 1: Write the proportion equation
1,599,556.16 : 2,207,402.21 = 911,217.83 : x - Step 2: Convert to fraction form
1,599,556.16/2,207,402.21 = 911,217.83/x - Step 3: Cross multiply
1,599,556.16x = 2,207,402.21 × 911,217.83 - Step 4: Simplify right side
1,599,556.16x = 2,011,424,242,974.44 - Step 5: Solve for x
x = 2,011,424,242,974.44/1,599,556.16 - Step 6: Final answer
x = 1,257,488.98
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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.