Finding the Fourth Proportional to 2,272,915.07, 3,136,696.17 and 1,292,828.90
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Solution
The fourth proportional to 2,272,915.07, 3,136,696.17 and 1,292,828.90 is: 1,784,145.62
Step by Step Solution
- Step 1: Write the proportion equation
2,272,915.07 : 3,136,696.17 = 1,292,828.90 : x - Step 2: Convert to fraction form
2,272,915.07/3,136,696.17 = 1,292,828.90/x - Step 3: Cross multiply
2,272,915.07x = 3,136,696.17 × 1,292,828.90 - Step 4: Simplify right side
2,272,915.07x = 4,055,211,459,095.31 - Step 5: Solve for x
x = 4,055,211,459,095.31/2,272,915.07 - Step 6: Final answer
x = 1,784,145.62
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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.