Finding the Fourth Proportional to 2,078,635.10, 3,098,738.62 and 2,045,876.75
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Solution
The fourth proportional to 2,078,635.10, 3,098,738.62 and 2,045,876.75 is: 3,049,903.89
Step by Step Solution
- Step 1: Write the proportion equation
2,078,635.10 : 3,098,738.62 = 2,045,876.75 : x - Step 2: Convert to fraction form
2,078,635.10/3,098,738.62 = 2,045,876.75/x - Step 3: Cross multiply
2,078,635.10x = 3,098,738.62 × 2,045,876.75 - Step 4: Simplify right side
2,078,635.10x = 6,339,637,276,376.70 - Step 5: Solve for x
x = 6,339,637,276,376.70/2,078,635.10 - Step 6: Final answer
x = 3,049,903.89
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.