Finding the Fourth Proportional to 5,419,550.61, 8,129,329.43 and 1,376,341.65
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Solution
The fourth proportional to 5,419,550.61, 8,129,329.43 and 1,376,341.65 is: 2,064,513.37
Step by Step Solution
- Step 1: Write the proportion equation
5,419,550.61 : 8,129,329.43 = 1,376,341.65 : x - Step 2: Convert to fraction form
5,419,550.61/8,129,329.43 = 1,376,341.65/x - Step 3: Cross multiply
5,419,550.61x = 8,129,329.43 × 1,376,341.65 - Step 4: Simplify right side
5,419,550.61x = 11,188,734,681,079.76 - Step 5: Solve for x
x = 11,188,734,681,079.76/5,419,550.61 - Step 6: Final answer
x = 2,064,513.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.