Finding the Fourth Proportional to 4,473,052.59, 6,171,992.58 and 2,638,085.07
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Solution
The fourth proportional to 4,473,052.59, 6,171,992.58 and 2,638,085.07 is: 3,640,073.79
Step by Step Solution
- Step 1: Write the proportion equation
4,473,052.59 : 6,171,992.58 = 2,638,085.07 : x - Step 2: Convert to fraction form
4,473,052.59/6,171,992.58 = 2,638,085.07/x - Step 3: Cross multiply
4,473,052.59x = 6,171,992.58 × 2,638,085.07 - Step 4: Simplify right side
4,473,052.59x = 16,282,241,477,448.78 - Step 5: Solve for x
x = 16,282,241,477,448.78/4,473,052.59 - Step 6: Final answer
x = 3,640,073.79
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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.