Finding the Fourth Proportional to 4,239,781.61, 5,850,367.58 and 2,866,114.15
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Solution
The fourth proportional to 4,239,781.61, 5,850,367.58 and 2,866,114.15 is: 3,954,878.53
Step by Step Solution
- Step 1: Write the proportion equation
4,239,781.61 : 5,850,367.58 = 2,866,114.15 : x - Step 2: Convert to fraction form
4,239,781.61/5,850,367.58 = 2,866,114.15/x - Step 3: Cross multiply
4,239,781.61x = 5,850,367.58 × 2,866,114.15 - Step 4: Simplify right side
4,239,781.61x = 16,767,821,260,156.85 - Step 5: Solve for x
x = 16,767,821,260,156.85/4,239,781.61 - Step 6: Final answer
x = 3,954,878.53
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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.