Finding the Fourth Proportional to 3,893,545.53, 5,843,982.20 and 1,975,833.57
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Solution
The fourth proportional to 3,893,545.53, 5,843,982.20 and 1,975,833.57 is: 2,965,609.66
Step by Step Solution
- Step 1: Write the proportion equation
3,893,545.53 : 5,843,982.20 = 1,975,833.57 : x - Step 2: Convert to fraction form
3,893,545.53/5,843,982.20 = 1,975,833.57/x - Step 3: Cross multiply
3,893,545.53x = 5,843,982.20 × 1,975,833.57 - Step 4: Simplify right side
3,893,545.53x = 11,546,736,225,278.22 - Step 5: Solve for x
x = 11,546,736,225,278.22/3,893,545.53 - Step 6: Final answer
x = 2,965,609.66
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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.