Finding the Fourth Proportional to 2,821,331.07, 4,231,430.82 and 1,381,394.07
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Solution
The fourth proportional to 2,821,331.07, 4,231,430.82 and 1,381,394.07 is: 2,071,814.08
Step by Step Solution
- Step 1: Write the proportion equation
2,821,331.07 : 4,231,430.82 = 1,381,394.07 : x - Step 2: Convert to fraction form
2,821,331.07/4,231,430.82 = 1,381,394.07/x - Step 3: Cross multiply
2,821,331.07x = 4,231,430.82 × 1,381,394.07 - Step 4: Simplify right side
2,821,331.07x = 5,845,273,442,363.24 - Step 5: Solve for x
x = 5,845,273,442,363.24/2,821,331.07 - Step 6: Final answer
x = 2,071,814.08
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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.