Finding the Fourth Proportional to 3,134,986.88, 4,703,811.76 and 1,713,382.08
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Solution
The fourth proportional to 3,134,986.88, 4,703,811.76 and 1,713,382.08 is: 2,570,800.80
Step by Step Solution
- Step 1: Write the proportion equation
3,134,986.88 : 4,703,811.76 = 1,713,382.08 : x - Step 2: Convert to fraction form
3,134,986.88/4,703,811.76 = 1,713,382.08/x - Step 3: Cross multiply
3,134,986.88x = 4,703,811.76 × 1,713,382.08 - Step 4: Simplify right side
3,134,986.88x = 8,059,426,777,277.26 - Step 5: Solve for x
x = 8,059,426,777,277.26/3,134,986.88 - Step 6: Final answer
x = 2,570,800.80
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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.