Finding the Fourth Proportional to 4,239,781.42, 5,850,367.31 and 2,866,113.96
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Solution
The fourth proportional to 4,239,781.42, 5,850,367.31 and 2,866,113.96 is: 3,954,878.28
Step by Step Solution
- Step 1: Write the proportion equation
4,239,781.42 : 5,850,367.31 = 2,866,113.96 : x - Step 2: Convert to fraction form
4,239,781.42/5,850,367.31 = 2,866,113.96/x - Step 3: Cross multiply
4,239,781.42x = 5,850,367.31 × 2,866,113.96 - Step 4: Simplify right side
4,239,781.42x = 16,767,819,425,483.93 - Step 5: Solve for x
x = 16,767,819,425,483.93/4,239,781.42 - Step 6: Final answer
x = 3,954,878.28
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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.