Finding the Fourth Proportional to 6,961,893.21, 10,442,825.35 and 3,927,881.75
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Solution
The fourth proportional to 6,961,893.21, 10,442,825.35 and 3,927,881.75 is: 5,891,814.45
Step by Step Solution
- Step 1: Write the proportion equation
6,961,893.21 : 10,442,825.35 = 3,927,881.75 : x - Step 2: Convert to fraction form
6,961,893.21/10,442,825.35 = 3,927,881.75/x - Step 3: Cross multiply
6,961,893.21x = 10,442,825.35 × 3,927,881.75 - Step 4: Simplify right side
6,961,893.21x = 41,018,183,048,668.53 - Step 5: Solve for x
x = 41,018,183,048,668.53/6,961,893.21 - Step 6: Final answer
x = 5,891,814.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.