Finding the Fourth Proportional to 6,782,313.42, 10,173,473.77 and 2,521,928.07
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Solution
The fourth proportional to 6,782,313.42, 10,173,473.77 and 2,521,928.07 is: 3,782,893.46
Step by Step Solution
- Step 1: Write the proportion equation
6,782,313.42 : 10,173,473.77 = 2,521,928.07 : x - Step 2: Convert to fraction form
6,782,313.42/10,173,473.77 = 2,521,928.07/x - Step 3: Cross multiply
6,782,313.42x = 10,173,473.77 × 2,521,928.07 - Step 4: Simplify right side
6,782,313.42x = 25,656,769,069,971.72 - Step 5: Solve for x
x = 25,656,769,069,971.72/6,782,313.42 - Step 6: Final answer
x = 3,782,893.46
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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.