Finding the Fourth Proportional to 2,451,817.13, 3,677,725.69 and 678,889.13
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Solution
The fourth proportional to 2,451,817.13, 3,677,725.69 and 678,889.13 is: 1,018,333.69
Step by Step Solution
- Step 1: Write the proportion equation
2,451,817.13 : 3,677,725.69 = 678,889.13 : x - Step 2: Convert to fraction form
2,451,817.13/3,677,725.69 = 678,889.13/x - Step 3: Cross multiply
2,451,817.13x = 3,677,725.69 × 678,889.13 - Step 4: Simplify right side
2,451,817.13x = 2,496,767,973,976.90 - Step 5: Solve for x
x = 2,496,767,973,976.90/2,451,817.13 - Step 6: Final answer
x = 1,018,333.69
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1.5x scale
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.