Finding the Fourth Proportional to 2,052,853.09, 2,832,886.78 and 1,135,057.88
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Solution
The fourth proportional to 2,052,853.09, 2,832,886.78 and 1,135,057.88 is: 1,566,351.96
Step by Step Solution
- Step 1: Write the proportion equation
2,052,853.09 : 2,832,886.78 = 1,135,057.88 : x - Step 2: Convert to fraction form
2,052,853.09/2,832,886.78 = 1,135,057.88/x - Step 3: Cross multiply
2,052,853.09x = 2,832,886.78 × 1,135,057.88 - Step 4: Simplify right side
2,052,853.09x = 3,215,490,467,031.40 - Step 5: Solve for x
x = 3,215,490,467,031.40/2,052,853.09 - Step 6: Final answer
x = 1,566,351.96
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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.