Finding the Fourth Proportional to 6,134,672.88, 8,465,882.16 and 3,557,881.44
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Solution
The fourth proportional to 6,134,672.88, 8,465,882.16 and 3,557,881.44 is: 4,909,895.87
Step by Step Solution
- Step 1: Write the proportion equation
6,134,672.88 : 8,465,882.16 = 3,557,881.44 : x - Step 2: Convert to fraction form
6,134,672.88/8,465,882.16 = 3,557,881.44/x - Step 3: Cross multiply
6,134,672.88x = 8,465,882.16 × 3,557,881.44 - Step 4: Simplify right side
6,134,672.88x = 30,120,605,010,291.11 - Step 5: Solve for x
x = 30,120,605,010,291.11/6,134,672.88 - Step 6: Final answer
x = 4,909,895.87
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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.