Finding the Fourth Proportional to 3,711,365.10, 5,121,809.91 and 3,541,303.98
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Solution
The fourth proportional to 3,711,365.10, 5,121,809.91 and 3,541,303.98 is: 4,887,119.79
Step by Step Solution
- Step 1: Write the proportion equation
3,711,365.10 : 5,121,809.91 = 3,541,303.98 : x - Step 2: Convert to fraction form
3,711,365.10/5,121,809.91 = 3,541,303.98/x - Step 3: Cross multiply
3,711,365.10x = 5,121,809.91 × 3,541,303.98 - Step 4: Simplify right side
3,711,365.10x = 18,137,885,819,086.44 - Step 5: Solve for x
x = 18,137,885,819,086.44/3,711,365.10 - Step 6: Final answer
x = 4,887,119.79
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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.