Finding the Fourth Proportional to 6,878,098.26, 9,491,021.97 and 3,977,050.14
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Solution
The fourth proportional to 6,878,098.26, 9,491,021.97 and 3,977,050.14 is: 5,487,893.43
Step by Step Solution
- Step 1: Write the proportion equation
6,878,098.26 : 9,491,021.97 = 3,977,050.14 : x - Step 2: Convert to fraction form
6,878,098.26/9,491,021.97 = 3,977,050.14/x - Step 3: Cross multiply
6,878,098.26x = 9,491,021.97 × 3,977,050.14 - Step 4: Simplify right side
6,878,098.26x = 37,746,270,254,531.58 - Step 5: Solve for x
x = 37,746,270,254,531.58/6,878,098.26 - Step 6: Final answer
x = 5,487,893.43
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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.