Finding the Fourth Proportional to 5,313,858.98, 7,332,889.46 and 2,959,178.18
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Solution
The fourth proportional to 5,313,858.98, 7,332,889.46 and 2,959,178.18 is: 4,083,534.50
Step by Step Solution
- Step 1: Write the proportion equation
5,313,858.98 : 7,332,889.46 = 2,959,178.18 : x - Step 2: Convert to fraction form
5,313,858.98/7,332,889.46 = 2,959,178.18/x - Step 3: Cross multiply
5,313,858.98x = 7,332,889.46 × 2,959,178.18 - Step 4: Simplify right side
5,313,858.98x = 21,699,326,434,923.64 - Step 5: Solve for x
x = 21,699,326,434,923.64/5,313,858.98 - Step 6: Final answer
x = 4,083,534.50
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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.