Finding the Fourth Proportional to 2,906,742.84, 4,010,878.74 and 1,744,942.76
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Solution
The fourth proportional to 2,906,742.84, 4,010,878.74 and 1,744,942.76 is: 2,407,765.05
Step by Step Solution
- Step 1: Write the proportion equation
2,906,742.84 : 4,010,878.74 = 1,744,942.76 : x - Step 2: Convert to fraction form
2,906,742.84/4,010,878.74 = 1,744,942.76/x - Step 3: Cross multiply
2,906,742.84x = 4,010,878.74 × 1,744,942.76 - Step 4: Simplify right side
2,906,742.84x = 6,998,753,818,600.92 - Step 5: Solve for x
x = 6,998,753,818,600.92/2,906,742.84 - Step 6: Final answer
x = 2,407,765.05
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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.