Finding the Fourth Proportional to 4,620,660.40, 6,373,951 and 2,686,707.28
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Solution
The fourth proportional to 4,620,660.40, 6,373,951 and 2,686,707.28 is: 3,706,167.32
Step by Step Solution
- Step 1: Write the proportion equation
4,620,660.40 : 6,373,951 = 2,686,707.28 : x - Step 2: Convert to fraction form
4,620,660.40/6,373,951 = 2,686,707.28/x - Step 3: Cross multiply
4,620,660.40x = 6,373,951 × 2,686,707.28 - Step 4: Simplify right side
4,620,660.40x = 17,124,940,554,063.28 - Step 5: Solve for x
x = 17,124,940,554,063.28/4,620,660.40 - Step 6: Final answer
x = 3,706,167.32
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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.