Finding the Fourth Proportional to 6,878,099.26, 9,491,023.35 and 3,977,051.14
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Solution
The fourth proportional to 6,878,099.26, 9,491,023.35 and 3,977,051.14 is: 5,487,894.81
Step by Step Solution
- Step 1: Write the proportion equation
6,878,099.26 : 9,491,023.35 = 3,977,051.14 : x - Step 2: Convert to fraction form
6,878,099.26/9,491,023.35 = 3,977,051.14/x - Step 3: Cross multiply
6,878,099.26x = 9,491,023.35 × 3,977,051.14 - Step 4: Simplify right side
6,878,099.26x = 37,746,285,233,884.12 - Step 5: Solve for x
x = 37,746,285,233,884.12/6,878,099.26 - Step 6: Final answer
x = 5,487,894.81
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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.