Finding the Fourth Proportional to 6,414,431.28, 8,848,559.17 and 3,966,259.74
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Solution
The fourth proportional to 6,414,431.28, 8,848,559.17 and 3,966,259.74 is: 5,471,363.32
Step by Step Solution
- Step 1: Write the proportion equation
6,414,431.28 : 8,848,559.17 = 3,966,259.74 : x - Step 2: Convert to fraction form
6,414,431.28/8,848,559.17 = 3,966,259.74/x - Step 3: Cross multiply
6,414,431.28x = 8,848,559.17 × 3,966,259.74 - Step 4: Simplify right side
6,414,431.28x = 35,095,683,992,978.82 - Step 5: Solve for x
x = 35,095,683,992,978.82/6,414,431.28 - Step 6: Final answer
x = 5,471,363.32
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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.