Finding the Fourth Proportional to 2,183,456.78, 3,275,645.97 and 687,699.98
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Solution
The fourth proportional to 2,183,456.78, 3,275,645.97 and 687,699.98 is: 1,031,695.10
Step by Step Solution
- Step 1: Write the proportion equation
2,183,456.78 : 3,275,645.97 = 687,699.98 : x - Step 2: Convert to fraction form
2,183,456.78/3,275,645.97 = 687,699.98/x - Step 3: Cross multiply
2,183,456.78x = 3,275,645.97 × 687,699.98 - Step 4: Simplify right side
2,183,456.78x = 2,252,661,648,239.35 - Step 5: Solve for x
x = 2,252,661,648,239.35/2,183,456.78 - Step 6: Final answer
x = 1,031,695.10
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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.