Finding the Fourth Proportional to 5,205,023.15, 7,183,156.28 and 2,881,915.47
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Solution
The fourth proportional to 5,205,023.15, 7,183,156.28 and 2,881,915.47 is: 3,977,167.56
Step by Step Solution
- Step 1: Write the proportion equation
5,205,023.15 : 7,183,156.28 = 2,881,915.47 : x - Step 2: Convert to fraction form
5,205,023.15/7,183,156.28 = 2,881,915.47/x - Step 3: Cross multiply
5,205,023.15x = 7,183,156.28 × 2,881,915.47 - Step 4: Simplify right side
5,205,023.15x = 20,701,249,192,350.08 - Step 5: Solve for x
x = 20,701,249,192,350.08/5,205,023.15 - Step 6: Final answer
x = 3,977,167.56
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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.