Finding the Fourth Proportional to 2,147,672.35, 2,963,612.53 and 1,264,482.09
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Solution
The fourth proportional to 2,147,672.35, 2,963,612.53 and 1,264,482.09 is: 1,744,882.07
Step by Step Solution
- Step 1: Write the proportion equation
2,147,672.35 : 2,963,612.53 = 1,264,482.09 : x - Step 2: Convert to fraction form
2,147,672.35/2,963,612.53 = 1,264,482.09/x - Step 3: Cross multiply
2,147,672.35x = 2,963,612.53 × 1,264,482.09 - Step 4: Simplify right side
2,147,672.35x = 3,747,434,965,884.59 - Step 5: Solve for x
x = 3,747,434,965,884.59/2,147,672.35 - Step 6: Final answer
x = 1,744,882.07
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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.