Finding the Fourth Proportional to 6,320,334.42, 8,721,126.36 and 3,838,264.38
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Solution
The fourth proportional to 6,320,334.42, 8,721,126.36 and 3,838,264.38 is: 5,296,236.95
Step by Step Solution
- Step 1: Write the proportion equation
6,320,334.42 : 8,721,126.36 = 3,838,264.38 : x - Step 2: Convert to fraction form
6,320,334.42/8,721,126.36 = 3,838,264.38/x - Step 3: Cross multiply
6,320,334.42x = 8,721,126.36 × 3,838,264.38 - Step 4: Simplify right side
6,320,334.42x = 33,473,988,661,067.05 - Step 5: Solve for x
x = 33,473,988,661,067.05/6,320,334.42 - Step 6: Final answer
x = 5,296,236.95
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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.