Finding the Fourth Proportional to 5,691,877.46, 8,538,414.12 and 1,853,998.94
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Solution
The fourth proportional to 5,691,877.46, 8,538,414.12 and 1,853,998.94 is: 2,781,193.17
Step by Step Solution
- Step 1: Write the proportion equation
5,691,877.46 : 8,538,414.12 = 1,853,998.94 : x - Step 2: Convert to fraction form
5,691,877.46/8,538,414.12 = 1,853,998.94/x - Step 3: Cross multiply
5,691,877.46x = 8,538,414.12 × 1,853,998.94 - Step 4: Simplify right side
5,691,877.46x = 15,830,210,685,068.96 - Step 5: Solve for x
x = 15,830,210,685,068.96/5,691,877.46 - Step 6: Final answer
x = 2,781,193.17
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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.