Finding the Fourth Proportional to 3,116,756.72, 4,671,591.60 and 1,318,517.84
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Solution
The fourth proportional to 3,116,756.72, 4,671,591.60 and 1,318,517.84 is: 1,976,277.72
Step by Step Solution
- Step 1: Write the proportion equation
3,116,756.72 : 4,671,591.60 = 1,318,517.84 : x - Step 2: Convert to fraction form
3,116,756.72/4,671,591.60 = 1,318,517.84/x - Step 3: Cross multiply
3,116,756.72x = 4,671,591.60 × 1,318,517.84 - Step 4: Simplify right side
3,116,756.72x = 6,159,576,865,794.14 - Step 5: Solve for x
x = 6,159,576,865,794.14/3,116,756.72 - Step 6: Final answer
x = 1,976,277.72
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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.