Finding the Fourth Proportional to 4,043,400.48, 5,579,919.64 and 2,207,871.52
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Solution
The fourth proportional to 4,043,400.48, 5,579,919.64 and 2,207,871.52 is: 3,046,877.43
Step by Step Solution
- Step 1: Write the proportion equation
4,043,400.48 : 5,579,919.64 = 2,207,871.52 : x - Step 2: Convert to fraction form
4,043,400.48/5,579,919.64 = 2,207,871.52/x - Step 3: Cross multiply
4,043,400.48x = 5,579,919.64 × 2,207,871.52 - Step 4: Simplify right side
4,043,400.48x = 12,319,745,657,044.65 - Step 5: Solve for x
x = 12,319,745,657,044.65/4,043,400.48 - Step 6: Final answer
x = 3,046,877.43
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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.