Finding the Fourth Proportional to 6,675,976.13, 9,212,847.05 and 3,620,192.81
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Solution
The fourth proportional to 6,675,976.13, 9,212,847.05 and 3,620,192.81 is: 4,995,866.07
Step by Step Solution
- Step 1: Write the proportion equation
6,675,976.13 : 9,212,847.05 = 3,620,192.81 : x - Step 2: Convert to fraction form
6,675,976.13/9,212,847.05 = 3,620,192.81/x - Step 3: Cross multiply
6,675,976.13x = 9,212,847.05 × 3,620,192.81 - Step 4: Simplify right side
6,675,976.13x = 33,352,282,613,025.96 - Step 5: Solve for x
x = 33,352,282,613,025.96/6,675,976.13 - Step 6: Final answer
x = 4,995,866.07
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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.