Finding the Fourth Proportional to 3,469,347.81, 5,202,402.21 and 1,308,708.18
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Solution
The fourth proportional to 3,469,347.81, 5,202,402.21 and 1,308,708.18 is: 1,962,451.36
Step by Step Solution
- Step 1: Write the proportion equation
3,469,347.81 : 5,202,402.21 = 1,308,708.18 : x - Step 2: Convert to fraction form
3,469,347.81/5,202,402.21 = 1,308,708.18/x - Step 3: Cross multiply
3,469,347.81x = 5,202,402.21 × 1,308,708.18 - Step 4: Simplify right side
3,469,347.81x = 6,808,426,327,877.08 - Step 5: Solve for x
x = 6,808,426,327,877.08/3,469,347.81 - Step 6: Final answer
x = 1,962,451.36
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.