Finding the Fourth Proportional to 3,132,081.11, 4,322,878.10 and 2,042,460.99
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Solution
The fourth proportional to 3,132,081.11, 4,322,878.10 and 2,042,460.99 is: 2,818,991.45
Step by Step Solution
- Step 1: Write the proportion equation
3,132,081.11 : 4,322,878.10 = 2,042,460.99 : x - Step 2: Convert to fraction form
3,132,081.11/4,322,878.10 = 2,042,460.99/x - Step 3: Cross multiply
3,132,081.11x = 4,322,878.10 × 2,042,460.99 - Step 4: Simplify right side
3,132,081.11x = 8,829,309,883,775.32 - Step 5: Solve for x
x = 8,829,309,883,775.32/3,132,081.11 - Step 6: Final answer
x = 2,818,991.45
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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.