Finding the Fourth Proportional to 6,904,334.81, 10,356,129.51 and 2,112,024.62
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Solution
The fourth proportional to 6,904,334.81, 10,356,129.51 and 2,112,024.62 is: 3,167,922.92
Step by Step Solution
- Step 1: Write the proportion equation
6,904,334.81 : 10,356,129.51 = 2,112,024.62 : x - Step 2: Convert to fraction form
6,904,334.81/10,356,129.51 = 2,112,024.62/x - Step 3: Cross multiply
6,904,334.81x = 10,356,129.51 × 2,112,024.62 - Step 4: Simplify right side
6,904,334.81x = 21,872,400,493,028.54 - Step 5: Solve for x
x = 21,872,400,493,028.54/6,904,334.81 - Step 6: Final answer
x = 3,167,922.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.