Finding the Fourth Proportional to 2,938,249.99, 4,054,728.07 and 1,631,434.11
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Solution
The fourth proportional to 2,938,249.99, 4,054,728.07 and 1,631,434.11 is: 2,251,347.47
Step by Step Solution
- Step 1: Write the proportion equation
2,938,249.99 : 4,054,728.07 = 1,631,434.11 : x - Step 2: Convert to fraction form
2,938,249.99/4,054,728.07 = 1,631,434.11/x - Step 3: Cross multiply
2,938,249.99x = 4,054,728.07 × 1,631,434.11 - Step 4: Simplify right side
2,938,249.99x = 6,615,021,689,814.38 - Step 5: Solve for x
x = 6,615,021,689,814.38/2,938,249.99 - Step 6: Final answer
x = 2,251,347.47
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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.