Finding the Fourth Proportional to 3,392,943, 4,682,271.06 and 1,942,660.68
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Solution
The fourth proportional to 3,392,943, 4,682,271.06 and 1,942,660.68 is: 2,680,877.30
Step by Step Solution
- Step 1: Write the proportion equation
3,392,943 : 4,682,271.06 = 1,942,660.68 : x - Step 2: Convert to fraction form
3,392,943/4,682,271.06 = 1,942,660.68/x - Step 3: Cross multiply
3,392,943x = 4,682,271.06 × 1,942,660.68 - Step 4: Simplify right side
3,392,943x = 9,096,063,881,363.92 - Step 5: Solve for x
x = 9,096,063,881,363.92/3,392,943 - Step 6: Final answer
x = 2,680,877.30
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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.