Finding the Fourth Proportional to 3,425,398.96, 4,727,338.50 and 1,897,648.24
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Solution
The fourth proportional to 3,425,398.96, 4,727,338.50 and 1,897,648.24 is: 2,618,914.09
Step by Step Solution
- Step 1: Write the proportion equation
3,425,398.96 : 4,727,338.50 = 1,897,648.24 : x - Step 2: Convert to fraction form
3,425,398.96/4,727,338.50 = 1,897,648.24/x - Step 3: Cross multiply
3,425,398.96x = 4,727,338.50 × 1,897,648.24 - Step 4: Simplify right side
3,425,398.96x = 8,970,825,584,409.24 - Step 5: Solve for x
x = 8,970,825,584,409.24/3,425,398.96 - Step 6: Final answer
x = 2,618,914.09
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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.