Finding the Fourth Proportional to 2,331,814.37, 3,217,818.87 and 1,299,268.80
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Solution
The fourth proportional to 2,331,814.37, 3,217,818.87 and 1,299,268.80 is: 1,792,943.61
Step by Step Solution
- Step 1: Write the proportion equation
2,331,814.37 : 3,217,818.87 = 1,299,268.80 : x - Step 2: Convert to fraction form
2,331,814.37/3,217,818.87 = 1,299,268.80/x - Step 3: Cross multiply
2,331,814.37x = 3,217,818.87 × 1,299,268.80 - Step 4: Simplify right side
2,331,814.37x = 4,180,811,661,842.26 - Step 5: Solve for x
x = 4,180,811,661,842.26/2,331,814.37 - Step 6: Final answer
x = 1,792,943.61
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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.