Finding the Fourth Proportional to 5,165,630.70, 7,138,402.04 and 3,874,229.07
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Solution
The fourth proportional to 5,165,630.70, 7,138,402.04 and 3,874,229.07 is: 5,353,809.88
Step by Step Solution
- Step 1: Write the proportion equation
5,165,630.70 : 7,138,402.04 = 3,874,229.07 : x - Step 2: Convert to fraction form
5,165,630.70/7,138,402.04 = 3,874,229.07/x - Step 3: Cross multiply
5,165,630.70x = 7,138,402.04 × 3,874,229.07 - Step 4: Simplify right side
5,165,630.70x = 27,655,804,679,631.87 - Step 5: Solve for x
x = 27,655,804,679,631.87/5,165,630.70 - Step 6: Final answer
x = 5,353,809.88
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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.