Finding the Fourth Proportional to 6,832,965.21, 9,429,121.94 and 3,776,982.63
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Solution
The fourth proportional to 6,832,965.21, 9,429,121.94 and 3,776,982.63 is: 5,212,031.48
Step by Step Solution
- Step 1: Write the proportion equation
6,832,965.21 : 9,429,121.94 = 3,776,982.63 : x - Step 2: Convert to fraction form
6,832,965.21/9,429,121.94 = 3,776,982.63/x - Step 3: Cross multiply
6,832,965.21x = 9,429,121.94 × 3,776,982.63 - Step 4: Simplify right side
6,832,965.21x = 35,613,629,783,531.90 - Step 5: Solve for x
x = 35,613,629,783,531.90/6,832,965.21 - Step 6: Final answer
x = 5,212,031.48
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1.5x scale
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.