Finding the Fourth Proportional to 2,649,863.70, 3,974,795.55 and 1,229,447.70
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Solution
The fourth proportional to 2,649,863.70, 3,974,795.55 and 1,229,447.70 is: 1,844,171.55
Step by Step Solution
- Step 1: Write the proportion equation
2,649,863.70 : 3,974,795.55 = 1,229,447.70 : x - Step 2: Convert to fraction form
2,649,863.70/3,974,795.55 = 1,229,447.70/x - Step 3: Cross multiply
2,649,863.70x = 3,974,795.55 × 1,229,447.70 - Step 4: Simplify right side
2,649,863.70x = 4,886,803,246,917.73 - Step 5: Solve for x
x = 4,886,803,246,917.73/2,649,863.70 - Step 6: Final answer
x = 1,844,171.55
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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.