Finding the Fourth Proportional to 3,441,727, 4,749,398.58 and 1,991,446.12
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Solution
The fourth proportional to 3,441,727, 4,749,398.58 and 1,991,446.12 is: 2,748,088.79
Step by Step Solution
- Step 1: Write the proportion equation
3,441,727 : 4,749,398.58 = 1,991,446.12 : x - Step 2: Convert to fraction form
3,441,727/4,749,398.58 = 1,991,446.12/x - Step 3: Cross multiply
3,441,727x = 4,749,398.58 × 1,991,446.12 - Step 4: Simplify right side
3,441,727x = 9,458,171,374,474.51 - Step 5: Solve for x
x = 9,458,171,374,474.51/3,441,727 - Step 6: Final answer
x = 2,748,088.79
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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.