Finding the Fourth Proportional to 5,087,832.21, 7,021,235.48 and 2,764,743.08
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Solution
The fourth proportional to 5,087,832.21, 7,021,235.48 and 2,764,743.08 is: 3,815,360.13
Step by Step Solution
- Step 1: Write the proportion equation
5,087,832.21 : 7,021,235.48 = 2,764,743.08 : x - Step 2: Convert to fraction form
5,087,832.21/7,021,235.48 = 2,764,743.08/x - Step 3: Cross multiply
5,087,832.21x = 7,021,235.48 × 2,764,743.08 - Step 4: Simplify right side
5,087,832.21x = 19,411,912,157,450.59 - Step 5: Solve for x
x = 19,411,912,157,450.59/5,087,832.21 - Step 6: Final answer
x = 3,815,360.13
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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.