Finding the Fourth Proportional to 2,785,915.92, 3,845,385.18 and 1,819,197.12
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Solution
The fourth proportional to 2,785,915.92, 3,845,385.18 and 1,819,197.12 is: 2,511,028.27
Step by Step Solution
- Step 1: Write the proportion equation
2,785,915.92 : 3,845,385.18 = 1,819,197.12 : x - Step 2: Convert to fraction form
2,785,915.92/3,845,385.18 = 1,819,197.12/x - Step 3: Cross multiply
2,785,915.92x = 3,845,385.18 × 1,819,197.12 - Step 4: Simplify right side
2,785,915.92x = 6,995,513,644,746.68 - Step 5: Solve for x
x = 6,995,513,644,746.68/2,785,915.92 - Step 6: Final answer
x = 2,511,028.27
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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.