Finding the Fourth Proportional to 4,846,420.13, 6,689,199.47 and 3,012,263.62
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Solution
The fourth proportional to 4,846,420.13, 6,689,199.47 and 3,012,263.62 is: 4,157,632.15
Step by Step Solution
- Step 1: Write the proportion equation
4,846,420.13 : 6,689,199.47 = 3,012,263.62 : x - Step 2: Convert to fraction form
4,846,420.13/6,689,199.47 = 3,012,263.62/x - Step 3: Cross multiply
4,846,420.13x = 6,689,199.47 × 3,012,263.62 - Step 4: Simplify right side
4,846,420.13x = 20,149,632,161,896.97 - Step 5: Solve for x
x = 20,149,632,161,896.97/4,846,420.13 - Step 6: Final answer
x = 4,157,632.15
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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.