Finding the Fourth Proportional to 3,974,485.20, 5,962,051.80 and 1,700,026.80
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Solution
The fourth proportional to 3,974,485.20, 5,962,051.80 and 1,700,026.80 is: 2,550,178.79
Step by Step Solution
- Step 1: Write the proportion equation
3,974,485.20 : 5,962,051.80 = 1,700,026.80 : x - Step 2: Convert to fraction form
3,974,485.20/5,962,051.80 = 1,700,026.80/x - Step 3: Cross multiply
3,974,485.20x = 5,962,051.80 × 1,700,026.80 - Step 4: Simplify right side
3,974,485.20x = 10,135,647,842,988.24 - Step 5: Solve for x
x = 10,135,647,842,988.24/3,974,485.20 - Step 6: Final answer
x = 2,550,178.79
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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.