Finding the Fourth Proportional to 2,957,130.99, 4,080,837.92 and 1,599,000.75
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Solution
The fourth proportional to 2,957,130.99, 4,080,837.92 and 1,599,000.75 is: 2,206,619.49
Step by Step Solution
- Step 1: Write the proportion equation
2,957,130.99 : 4,080,837.92 = 1,599,000.75 : x - Step 2: Convert to fraction form
2,957,130.99/4,080,837.92 = 1,599,000.75/x - Step 3: Cross multiply
2,957,130.99x = 4,080,837.92 × 1,599,000.75 - Step 4: Simplify right side
2,957,130.99x = 6,525,262,886,713.44 - Step 5: Solve for x
x = 6,525,262,886,713.44/2,957,130.99 - Step 6: Final answer
x = 2,206,619.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.