Finding the Fourth Proportional to 1,828,948.28, 2,523,915.57 and 1,013,149.44
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Solution
The fourth proportional to 1,828,948.28, 2,523,915.57 and 1,013,149.44 is: 1,398,127.91
Step by Step Solution
- Step 1: Write the proportion equation
1,828,948.28 : 2,523,915.57 = 1,013,149.44 : x - Step 2: Convert to fraction form
1,828,948.28/2,523,915.57 = 1,013,149.44/x - Step 3: Cross multiply
1,828,948.28x = 2,523,915.57 × 1,013,149.44 - Step 4: Simplify right side
1,828,948.28x = 2,557,103,644,453.13 - Step 5: Solve for x
x = 2,557,103,644,453.13/1,828,948.28 - Step 6: Final answer
x = 1,398,127.91
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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.