Finding the Fourth Proportional to 5,341,986.80, 7,372,315.92 and 3,019,093.94
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Solution
The fourth proportional to 5,341,986.80, 7,372,315.92 and 3,019,093.94 is: 4,166,561.09
Step by Step Solution
- Step 1: Write the proportion equation
5,341,986.80 : 7,372,315.92 = 3,019,093.94 : x - Step 2: Convert to fraction form
5,341,986.80/7,372,315.92 = 3,019,093.94/x - Step 3: Cross multiply
5,341,986.80x = 7,372,315.92 × 3,019,093.94 - Step 4: Simplify right side
5,341,986.80x = 22,257,714,317,837.52 - Step 5: Solve for x
x = 22,257,714,317,837.52/5,341,986.80 - Step 6: Final answer
x = 4,166,561.09
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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.