Finding the Fourth Proportional to 2,971,100.70, 4,449,382.74 and 2,683,558.26
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Solution
The fourth proportional to 2,971,100.70, 4,449,382.74 and 2,683,558.26 is: 4,018,772.51
Step by Step Solution
- Step 1: Write the proportion equation
2,971,100.70 : 4,449,382.74 = 2,683,558.26 : x - Step 2: Convert to fraction form
2,971,100.70/4,449,382.74 = 2,683,558.26/x - Step 3: Cross multiply
2,971,100.70x = 4,449,382.74 × 2,683,558.26 - Step 4: Simplify right side
2,971,100.70x = 11,940,177,803,828.43 - Step 5: Solve for x
x = 11,940,177,803,828.43/2,971,100.70 - Step 6: Final answer
x = 4,018,772.51
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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.