Finding the Fourth Proportional to 5,934,643.74, 8,190,153.81 and 3,321,125.82
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Solution
The fourth proportional to 5,934,643.74, 8,190,153.81 and 3,321,125.82 is: 4,583,346.95
Step by Step Solution
- Step 1: Write the proportion equation
5,934,643.74 : 8,190,153.81 = 3,321,125.82 : x - Step 2: Convert to fraction form
5,934,643.74/8,190,153.81 = 3,321,125.82/x - Step 3: Cross multiply
5,934,643.74x = 8,190,153.81 × 3,321,125.82 - Step 4: Simplify right side
5,934,643.74x = 27,200,531,288,162.37 - Step 5: Solve for x
x = 27,200,531,288,162.37/5,934,643.74 - Step 6: Final answer
x = 4,583,346.95
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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.