Finding the Fourth Proportional to 3,906,330.68, 5,390,735.58 and 2,164,113.29
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Solution
The fourth proportional to 3,906,330.68, 5,390,735.58 and 2,164,113.29 is: 2,986,475.92
Step by Step Solution
- Step 1: Write the proportion equation
3,906,330.68 : 5,390,735.58 = 2,164,113.29 : x - Step 2: Convert to fraction form
3,906,330.68/5,390,735.58 = 2,164,113.29/x - Step 3: Cross multiply
3,906,330.68x = 5,390,735.58 × 2,164,113.29 - Step 4: Simplify right side
3,906,330.68x = 11,666,162,525,030.70 - Step 5: Solve for x
x = 11,666,162,525,030.70/3,906,330.68 - Step 6: Final answer
x = 2,986,475.92
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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.