Finding the Fourth Proportional to 5,481,042.84, 8,217,827.46 and 2,780,160.02
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Solution
The fourth proportional to 5,481,042.84, 8,217,827.46 and 2,780,160.02 is: 4,168,344.60
Step by Step Solution
- Step 1: Write the proportion equation
5,481,042.84 : 8,217,827.46 = 2,780,160.02 : x - Step 2: Convert to fraction form
5,481,042.84/8,217,827.46 = 2,780,160.02/x - Step 3: Cross multiply
5,481,042.84x = 8,217,827.46 × 2,780,160.02 - Step 4: Simplify right side
5,481,042.84x = 22,846,875,314,461.01 - Step 5: Solve for x
x = 22,846,875,314,461.01/5,481,042.84 - Step 6: Final answer
x = 4,168,344.60
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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.