Finding the Fourth Proportional to 3,326,042.79, 4,588,288.92 and 2,148,236.69
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Solution
The fourth proportional to 3,326,042.79, 4,588,288.92 and 2,148,236.69 is: 2,963,500.83
Step by Step Solution
- Step 1: Write the proportion equation
3,326,042.79 : 4,588,288.92 = 2,148,236.69 : x - Step 2: Convert to fraction form
3,326,042.79/4,588,288.92 = 2,148,236.69/x - Step 3: Cross multiply
3,326,042.79x = 4,588,288.92 × 2,148,236.69 - Step 4: Simplify right side
3,326,042.79x = 9,856,730,579,323.03 - Step 5: Solve for x
x = 9,856,730,579,323.03/3,326,042.79 - Step 6: Final answer
x = 2,963,500.83
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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.