Finding the Fourth Proportional to 2,147,671.35, 2,963,611.15 and 1,264,481.09
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Solution
The fourth proportional to 2,147,671.35, 2,963,611.15 and 1,264,481.09 is: 1,744,880.69
Step by Step Solution
- Step 1: Write the proportion equation
2,147,671.35 : 2,963,611.15 = 1,264,481.09 : x - Step 2: Convert to fraction form
2,147,671.35/2,963,611.15 = 1,264,481.09/x - Step 3: Cross multiply
2,147,671.35x = 2,963,611.15 × 1,264,481.09 - Step 4: Simplify right side
2,147,671.35x = 3,747,430,257,288.15 - Step 5: Solve for x
x = 3,747,430,257,288.15/2,147,671.35 - Step 6: Final answer
x = 1,744,880.69
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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.