Finding the Fourth Proportional to 2,320,129.71, 3,202,163.82 and 1,353,259.98
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Solution
The fourth proportional to 2,320,129.71, 3,202,163.82 and 1,353,259.98 is: 1,867,723.23
Step by Step Solution
- Step 1: Write the proportion equation
2,320,129.71 : 3,202,163.82 = 1,353,259.98 : x - Step 2: Convert to fraction form
2,320,129.71/3,202,163.82 = 1,353,259.98/x - Step 3: Cross multiply
2,320,129.71x = 3,202,163.82 × 1,353,259.98 - Step 4: Simplify right side
2,320,129.71x = 4,333,360,147,009.92 - Step 5: Solve for x
x = 4,333,360,147,009.92/2,320,129.71 - Step 6: Final answer
x = 1,867,723.23
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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.