Finding the Fourth Proportional to 2,916,884.25, 4,380,998.40 and 2,377,536.44
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Solution
The fourth proportional to 2,916,884.25, 4,380,998.40 and 2,377,536.44 is: 3,570,927.89
Step by Step Solution
- Step 1: Write the proportion equation
2,916,884.25 : 4,380,998.40 = 2,377,536.44 : x - Step 2: Convert to fraction form
2,916,884.25/4,380,998.40 = 2,377,536.44/x - Step 3: Cross multiply
2,916,884.25x = 4,380,998.40 × 2,377,536.44 - Step 4: Simplify right side
2,916,884.25x = 10,415,983,317,676.71 - Step 5: Solve for x
x = 10,415,983,317,676.71/2,916,884.25 - Step 6: Final answer
x = 3,570,927.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.