Finding the Fourth Proportional to 2,211,875.30, 3,052,394.99 and 1,245,020.83
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Solution
The fourth proportional to 2,211,875.30, 3,052,394.99 and 1,245,020.83 is: 1,718,132.72
Step by Step Solution
- Step 1: Write the proportion equation
2,211,875.30 : 3,052,394.99 = 1,245,020.83 : x - Step 2: Convert to fraction form
2,211,875.30/3,052,394.99 = 1,245,020.83/x - Step 3: Cross multiply
2,211,875.30x = 3,052,394.99 × 1,245,020.83 - Step 4: Simplify right side
2,211,875.30x = 3,800,295,334,750.38 - Step 5: Solve for x
x = 3,800,295,334,750.38/2,211,875.30 - Step 6: Final answer
x = 1,718,132.72
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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.