Finding the Fourth Proportional to 2,930,538.69, 4,393,460.05 and 1,392,761.79
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Solution
The fourth proportional to 2,930,538.69, 4,393,460.05 and 1,392,761.79 is: 2,088,026.79
Step by Step Solution
- Step 1: Write the proportion equation
2,930,538.69 : 4,393,460.05 = 1,392,761.79 : x - Step 2: Convert to fraction form
2,930,538.69/4,393,460.05 = 1,392,761.79/x - Step 3: Cross multiply
2,930,538.69x = 4,393,460.05 × 1,392,761.79 - Step 4: Simplify right side
2,930,538.69x = 6,119,043,280,049.59 - Step 5: Solve for x
x = 6,119,043,280,049.59/2,930,538.69 - Step 6: Final answer
x = 2,088,026.79
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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.