Finding the Fourth Proportional to 4,101,207.84, 5,618,561.28 and 3,947,869.44
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Solution
The fourth proportional to 4,101,207.84, 5,618,561.28 and 3,947,869.44 is: 5,408,491.17
Step by Step Solution
- Step 1: Write the proportion equation
4,101,207.84 : 5,618,561.28 = 3,947,869.44 : x - Step 2: Convert to fraction form
4,101,207.84/5,618,561.28 = 3,947,869.44/x - Step 3: Cross multiply
4,101,207.84x = 5,618,561.28 × 3,947,869.44 - Step 4: Simplify right side
4,101,207.84x = 22,181,346,374,079.29 - Step 5: Solve for x
x = 22,181,346,374,079.29/4,101,207.84 - Step 6: Final answer
x = 5,408,491.17
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.