Finding the Fourth Proportional to 6,439,035.28, 8,883,930.94 and 3,859,774.96
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Solution
The fourth proportional to 6,439,035.28, 8,883,930.94 and 3,859,774.96 is: 5,325,327.89
Step by Step Solution
- Step 1: Write the proportion equation
6,439,035.28 : 8,883,930.94 = 3,859,774.96 : x - Step 2: Convert to fraction form
6,439,035.28/8,883,930.94 = 3,859,774.96/x - Step 3: Cross multiply
6,439,035.28x = 8,883,930.94 × 3,859,774.96 - Step 4: Simplify right side
6,439,035.28x = 34,289,974,188,581.26 - Step 5: Solve for x
x = 34,289,974,188,581.26/6,439,035.28 - Step 6: Final answer
x = 5,325,327.89
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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.