Finding the Fourth Proportional to 2,631,319.51, 3,947,120.57 and 834,343.12
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Solution
The fourth proportional to 2,631,319.51, 3,947,120.57 and 834,343.12 is: 1,251,559.49
Step by Step Solution
- Step 1: Write the proportion equation
2,631,319.51 : 3,947,120.57 = 834,343.12 : x - Step 2: Convert to fraction form
2,631,319.51/3,947,120.57 = 834,343.12/x - Step 3: Cross multiply
2,631,319.51x = 3,947,120.57 × 834,343.12 - Step 4: Simplify right side
2,631,319.51x = 3,293,252,891,389.98 - Step 5: Solve for x
x = 3,293,252,891,389.98/2,631,319.51 - Step 6: Final answer
x = 1,251,559.49
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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.