Finding the Fourth Proportional to 5,475,191.40, 8,206,981.02 and 2,107,941.48
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Solution
The fourth proportional to 5,475,191.40, 8,206,981.02 and 2,107,941.48 is: 3,159,676.89
Step by Step Solution
- Step 1: Write the proportion equation
5,475,191.40 : 8,206,981.02 = 2,107,941.48 : x - Step 2: Convert to fraction form
5,475,191.40/8,206,981.02 = 2,107,941.48/x - Step 3: Cross multiply
5,475,191.40x = 8,206,981.02 × 2,107,941.48 - Step 4: Simplify right side
5,475,191.40x = 17,299,835,717,630.71 - Step 5: Solve for x
x = 17,299,835,717,630.71/5,475,191.40 - Step 6: Final answer
x = 3,159,676.89
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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.