Finding the Fourth Proportional to 5,430,893.70, 8,147,434.05 and 1,592,708.70
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Solution
The fourth proportional to 5,430,893.70, 8,147,434.05 and 1,592,708.70 is: 2,389,383.74
Step by Step Solution
- Step 1: Write the proportion equation
5,430,893.70 : 8,147,434.05 = 1,592,708.70 : x - Step 2: Convert to fraction form
5,430,893.70/8,147,434.05 = 1,592,708.70/x - Step 3: Cross multiply
5,430,893.70x = 8,147,434.05 × 1,592,708.70 - Step 4: Simplify right side
5,430,893.70x = 12,976,489,094,111.23 - Step 5: Solve for x
x = 12,976,489,094,111.23/5,430,893.70 - Step 6: Final answer
x = 2,389,383.74
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.