Finding the Fourth Proportional to 3,198,628.80, 4,808,440.80 and 2,258,510.40
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Solution
The fourth proportional to 3,198,628.80, 4,808,440.80 and 2,258,510.40 is: 3,395,177.82
Step by Step Solution
- Step 1: Write the proportion equation
3,198,628.80 : 4,808,440.80 = 2,258,510.40 : x - Step 2: Convert to fraction form
3,198,628.80/4,808,440.80 = 2,258,510.40/x - Step 3: Cross multiply
3,198,628.80x = 4,808,440.80 × 2,258,510.40 - Step 4: Simplify right side
3,198,628.80x = 10,859,913,554,584.32 - Step 5: Solve for x
x = 10,859,913,554,584.32/3,198,628.80 - Step 6: Final answer
x = 3,395,177.82
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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.