Finding the Fourth Proportional to 3,639,474.48, 5,020,850.76 and 2,110,695.60
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Solution
The fourth proportional to 3,639,474.48, 5,020,850.76 and 2,110,695.60 is: 2,911,818.08
Step by Step Solution
- Step 1: Write the proportion equation
3,639,474.48 : 5,020,850.76 = 2,110,695.60 : x - Step 2: Convert to fraction form
3,639,474.48/5,020,850.76 = 2,110,695.60/x - Step 3: Cross multiply
3,639,474.48x = 5,020,850.76 × 2,110,695.60 - Step 4: Simplify right side
3,639,474.48x = 10,597,487,607,388.66 - Step 5: Solve for x
x = 10,597,487,607,388.66/3,639,474.48 - Step 6: Final answer
x = 2,911,818.08
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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.