Finding the Fourth Proportional to 5,491,708.77, 7,578,557.99 and 3,044,313.62
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Solution
The fourth proportional to 5,491,708.77, 7,578,557.99 and 3,044,313.62 is: 4,201,152.73
Step by Step Solution
- Step 1: Write the proportion equation
5,491,708.77 : 7,578,557.99 = 3,044,313.62 : x - Step 2: Convert to fraction form
5,491,708.77/7,578,557.99 = 3,044,313.62/x - Step 3: Cross multiply
5,491,708.77x = 7,578,557.99 × 3,044,313.62 - Step 4: Simplify right side
5,491,708.77x = 23,071,507,312,762.50 - Step 5: Solve for x
x = 23,071,507,312,762.50/5,491,708.77 - Step 6: Final answer
x = 4,201,152.73
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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.