Finding the Fourth Proportional to 2,972,392.48, 4,103,601.96 and 1,956,749.68
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Solution
The fourth proportional to 2,972,392.48, 4,103,601.96 and 1,956,749.68 is: 2,701,433.90
Step by Step Solution
- Step 1: Write the proportion equation
2,972,392.48 : 4,103,601.96 = 1,956,749.68 : x - Step 2: Convert to fraction form
2,972,392.48/4,103,601.96 = 1,956,749.68/x - Step 3: Cross multiply
2,972,392.48x = 4,103,601.96 × 1,956,749.68 - Step 4: Simplify right side
2,972,392.48x = 8,029,721,822,077.37 - Step 5: Solve for x
x = 8,029,721,822,077.37/2,972,392.48 - Step 6: Final answer
x = 2,701,433.90
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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.