Finding the Fourth Proportional to 5,364,486.30, 7,402,765.74 and 3,041,535.09
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Solution
The fourth proportional to 5,364,486.30, 7,402,765.74 and 3,041,535.09 is: 4,197,190.66
Step by Step Solution
- Step 1: Write the proportion equation
5,364,486.30 : 7,402,765.74 = 3,041,535.09 : x - Step 2: Convert to fraction form
5,364,486.30/7,402,765.74 = 3,041,535.09/x - Step 3: Cross multiply
5,364,486.30x = 7,402,765.74 × 3,041,535.09 - Step 4: Simplify right side
5,364,486.30x = 22,515,771,782,456.06 - Step 5: Solve for x
x = 22,515,771,782,456.06/5,364,486.30 - Step 6: Final answer
x = 4,197,190.66
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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.