Finding the Fourth Proportional to 3,614,699.76, 4,987,767.96 and 2,164,048.08
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Solution
The fourth proportional to 3,614,699.76, 4,987,767.96 and 2,164,048.08 is: 2,986,076.41
Step by Step Solution
- Step 1: Write the proportion equation
3,614,699.76 : 4,987,767.96 = 2,164,048.08 : x - Step 2: Convert to fraction form
3,614,699.76/4,987,767.96 = 2,164,048.08/x - Step 3: Cross multiply
3,614,699.76x = 4,987,767.96 × 2,164,048.08 - Step 4: Simplify right side
3,614,699.76x = 10,793,769,677,323.52 - Step 5: Solve for x
x = 10,793,769,677,323.52/3,614,699.76 - Step 6: Final answer
x = 2,986,076.41
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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.