Finding the Fourth Proportional to 3,912,089.35, 5,863,992.35 and 1,315,922.62
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Solution
The fourth proportional to 3,912,089.35, 5,863,992.35 and 1,315,922.62 is: 1,972,490.78
Step by Step Solution
- Step 1: Write the proportion equation
3,912,089.35 : 5,863,992.35 = 1,315,922.62 : x - Step 2: Convert to fraction form
3,912,089.35/5,863,992.35 = 1,315,922.62/x - Step 3: Cross multiply
3,912,089.35x = 5,863,992.35 × 1,315,922.62 - Step 4: Simplify right side
3,912,089.35x = 7,716,560,176,871.96 - Step 5: Solve for x
x = 7,716,560,176,871.96/3,912,089.35 - Step 6: Final answer
x = 1,972,490.78
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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.