Finding the Fourth Proportional to 3,031,815.49, 4,183,895.47 and 1,655,176.14
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Solution
The fourth proportional to 3,031,815.49, 4,183,895.47 and 1,655,176.14 is: 2,284,137.67
Step by Step Solution
- Step 1: Write the proportion equation
3,031,815.49 : 4,183,895.47 = 1,655,176.14 : x - Step 2: Convert to fraction form
3,031,815.49/4,183,895.47 = 1,655,176.14/x - Step 3: Cross multiply
3,031,815.49x = 4,183,895.47 × 1,655,176.14 - Step 4: Simplify right side
3,031,815.49x = 6,925,083,954,198.09 - Step 5: Solve for x
x = 6,925,083,954,198.09/3,031,815.49 - Step 6: Final answer
x = 2,284,137.67
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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.