Finding the Fourth Proportional to 5,622,723.76, 7,759,362.45 and 3,044,406.28
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Solution
The fourth proportional to 5,622,723.76, 7,759,362.45 and 3,044,406.28 is: 4,201,282.65
Step by Step Solution
- Step 1: Write the proportion equation
5,622,723.76 : 7,759,362.45 = 3,044,406.28 : x - Step 2: Convert to fraction form
5,622,723.76/7,759,362.45 = 3,044,406.28/x - Step 3: Cross multiply
5,622,723.76x = 7,759,362.45 × 3,044,406.28 - Step 4: Simplify right side
5,622,723.76x = 23,622,651,771,576.18 - Step 5: Solve for x
x = 23,622,651,771,576.18/5,622,723.76 - Step 6: Final answer
x = 4,201,282.65
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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.