Finding the Fourth Proportional to 4,239,782.17, 5,850,368.35 and 2,866,114.71
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Solution
The fourth proportional to 4,239,782.17, 5,850,368.35 and 2,866,114.71 is: 3,954,879.31
Step by Step Solution
- Step 1: Write the proportion equation
4,239,782.17 : 5,850,368.35 = 2,866,114.71 : x - Step 2: Convert to fraction form
4,239,782.17/5,850,368.35 = 2,866,114.71/x - Step 3: Cross multiply
4,239,782.17x = 5,850,368.35 × 2,866,114.71 - Step 4: Simplify right side
4,239,782.17x = 16,767,826,772,522.85 - Step 5: Solve for x
x = 16,767,826,772,522.85/4,239,782.17 - Step 6: Final answer
x = 3,954,879.31
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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.