Finding the Fourth Proportional to 5,012,416.92, 6,917,148.66 and 2,720,577.62
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Solution
The fourth proportional to 5,012,416.92, 6,917,148.66 and 2,720,577.62 is: 3,754,404.33
Step by Step Solution
- Step 1: Write the proportion equation
5,012,416.92 : 6,917,148.66 = 2,720,577.62 : x - Step 2: Convert to fraction form
5,012,416.92/6,917,148.66 = 2,720,577.62/x - Step 3: Cross multiply
5,012,416.92x = 6,917,148.66 × 2,720,577.62 - Step 4: Simplify right side
5,012,416.92x = 18,818,639,804,023.25 - Step 5: Solve for x
x = 18,818,639,804,023.25/5,012,416.92 - Step 6: Final answer
x = 3,754,404.33
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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.