Finding the Fourth Proportional to 4,009,715.14, 5,533,400.91 and 2,174,170.09
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Solution
The fourth proportional to 4,009,715.14, 5,533,400.91 and 2,174,170.09 is: 3,000,351.48
Step by Step Solution
- Step 1: Write the proportion equation
4,009,715.14 : 5,533,400.91 = 2,174,170.09 : x - Step 2: Convert to fraction form
4,009,715.14/5,533,400.91 = 2,174,170.09/x - Step 3: Cross multiply
4,009,715.14x = 5,533,400.91 × 2,174,170.09 - Step 4: Simplify right side
4,009,715.14x = 12,030,554,754,500.78 - Step 5: Solve for x
x = 12,030,554,754,500.78/4,009,715.14 - Step 6: Final answer
x = 3,000,351.48
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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.