Finding the Fourth Proportional to 3,829,036.71, 5,284,181.39 and 2,110,267.95
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Solution
The fourth proportional to 3,829,036.71, 5,284,181.39 and 2,110,267.95 is: 2,912,230.79
Step by Step Solution
- Step 1: Write the proportion equation
3,829,036.71 : 5,284,181.39 = 2,110,267.95 : x - Step 2: Convert to fraction form
3,829,036.71/5,284,181.39 = 2,110,267.95/x - Step 3: Cross multiply
3,829,036.71x = 5,284,181.39 × 2,110,267.95 - Step 4: Simplify right side
3,829,036.71x = 11,151,038,618,752.11 - Step 5: Solve for x
x = 11,151,038,618,752.11/3,829,036.71 - Step 6: Final answer
x = 2,912,230.79
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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.