Finding the Fourth Proportional to 2,861,975.20, 4,294,931.08 and 1,179,078.70
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Solution
The fourth proportional to 2,861,975.20, 4,294,931.08 and 1,179,078.70 is: 1,769,428.94
Step by Step Solution
- Step 1: Write the proportion equation
2,861,975.20 : 4,294,931.08 = 1,179,078.70 : x - Step 2: Convert to fraction form
2,861,975.20/4,294,931.08 = 1,179,078.70/x - Step 3: Cross multiply
2,861,975.20x = 4,294,931.08 × 1,179,078.70 - Step 4: Simplify right side
2,861,975.20x = 5,064,061,754,396.00 - Step 5: Solve for x
x = 5,064,061,754,396.00/2,861,975.20 - Step 6: Final answer
x = 1,769,428.94
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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.