Finding the Fourth Proportional to 3,145,882.74, 4,708,674.81 and 1,627,474.70
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Solution
The fourth proportional to 3,145,882.74, 4,708,674.81 and 1,627,474.70 is: 2,435,961.46
Step by Step Solution
- Step 1: Write the proportion equation
3,145,882.74 : 4,708,674.81 = 1,627,474.70 : x - Step 2: Convert to fraction form
3,145,882.74/4,708,674.81 = 1,627,474.70/x - Step 3: Cross multiply
3,145,882.74x = 4,708,674.81 × 1,627,474.70 - Step 4: Simplify right side
3,145,882.74x = 7,663,249,100,258.93 - Step 5: Solve for x
x = 7,663,249,100,258.93/3,145,882.74 - Step 6: Final answer
x = 2,435,961.46
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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.