Finding the Fourth Proportional to 5,615,232.81, 7,749,021.33 and 3,036,913.62
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Solution
The fourth proportional to 5,615,232.81, 7,749,021.33 and 3,036,913.62 is: 4,190,940.82
Step by Step Solution
- Step 1: Write the proportion equation
5,615,232.81 : 7,749,021.33 = 3,036,913.62 : x - Step 2: Convert to fraction form
5,615,232.81/7,749,021.33 = 3,036,913.62/x - Step 3: Cross multiply
5,615,232.81x = 7,749,021.33 × 3,036,913.62 - Step 4: Simplify right side
5,615,232.81x = 23,533,108,418,747.52 - Step 5: Solve for x
x = 23,533,108,418,747.52/5,615,232.81 - Step 6: Final answer
x = 4,190,940.82
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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.