Finding the Fourth Proportional to 4,724,131.44, 6,515,942.22 and 3,153,471.24
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Solution
The fourth proportional to 4,724,131.44, 6,515,942.22 and 3,153,471.24 is: 4,349,547.99
Step by Step Solution
- Step 1: Write the proportion equation
4,724,131.44 : 6,515,942.22 = 3,153,471.24 : x - Step 2: Convert to fraction form
4,724,131.44/6,515,942.22 = 3,153,471.24/x - Step 3: Cross multiply
4,724,131.44x = 6,515,942.22 × 3,153,471.24 - Step 4: Simplify right side
4,724,131.44x = 20,547,836,392,271.75 - Step 5: Solve for x
x = 20,547,836,392,271.75/4,724,131.44 - Step 6: Final answer
x = 4,349,547.99
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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.