Finding the Fourth Proportional to 3,307,618.56, 4,564,917.36 and 1,857,375.12
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Solution
The fourth proportional to 3,307,618.56, 4,564,917.36 and 1,857,375.12 is: 2,563,404.39
Step by Step Solution
- Step 1: Write the proportion equation
3,307,618.56 : 4,564,917.36 = 1,857,375.12 : x - Step 2: Convert to fraction form
3,307,618.56/4,564,917.36 = 1,857,375.12/x - Step 3: Cross multiply
3,307,618.56x = 4,564,917.36 × 1,857,375.12 - Step 4: Simplify right side
3,307,618.56x = 8,478,763,929,320.08 - Step 5: Solve for x
x = 8,478,763,929,320.08/3,307,618.56 - Step 6: Final answer
x = 2,563,404.39
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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.