Finding the Fourth Proportional to 3,336,162.88, 4,603,792.80 and 1,977,229.12
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Solution
The fourth proportional to 3,336,162.88, 4,603,792.80 and 1,977,229.12 is: 2,728,509.82
Step by Step Solution
- Step 1: Write the proportion equation
3,336,162.88 : 4,603,792.80 = 1,977,229.12 : x - Step 2: Convert to fraction form
3,336,162.88/4,603,792.80 = 1,977,229.12/x - Step 3: Cross multiply
3,336,162.88x = 4,603,792.80 × 1,977,229.12 - Step 4: Simplify right side
3,336,162.88x = 9,102,753,186,606.34 - Step 5: Solve for x
x = 9,102,753,186,606.34/3,336,162.88 - Step 6: Final answer
x = 2,728,509.82
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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.