Finding the Fourth Proportional to 6,134,661.26, 8,465,866.17 and 3,557,869.82
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Solution
The fourth proportional to 6,134,661.26, 8,465,866.17 and 3,557,869.82 is: 4,909,879.86
Step by Step Solution
- Step 1: Write the proportion equation
6,134,661.26 : 8,465,866.17 = 3,557,869.82 : x - Step 2: Convert to fraction form
6,134,661.26/8,465,866.17 = 3,557,869.82/x - Step 3: Cross multiply
6,134,661.26x = 8,465,866.17 × 3,557,869.82 - Step 4: Simplify right side
6,134,661.26x = 30,120,449,746,401.99 - Step 5: Solve for x
x = 30,120,449,746,401.99/6,134,661.26 - Step 6: Final answer
x = 4,909,879.86
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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.