Finding the Fourth Proportional to 6,943,811.60, 9,582,127.07 and 3,846,125.97
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Solution
The fourth proportional to 6,943,811.60, 9,582,127.07 and 3,846,125.97 is: 5,307,469.42
Step by Step Solution
- Step 1: Write the proportion equation
6,943,811.60 : 9,582,127.07 = 3,846,125.97 : x - Step 2: Convert to fraction form
6,943,811.60/9,582,127.07 = 3,846,125.97/x - Step 3: Cross multiply
6,943,811.60x = 9,582,127.07 × 3,846,125.97 - Step 4: Simplify right side
6,943,811.60x = 36,854,067,752,536.38 - Step 5: Solve for x
x = 36,854,067,752,536.38/6,943,811.60 - Step 6: Final answer
x = 5,307,469.42
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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.