Finding the Fourth Proportional to 4,653,134.60, 6,974,517.90 and 1,812,302.60
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Solution
The fourth proportional to 4,653,134.60, 6,974,517.90 and 1,812,302.60 is: 2,716,434.84
Step by Step Solution
- Step 1: Write the proportion equation
4,653,134.60 : 6,974,517.90 = 1,812,302.60 : x - Step 2: Convert to fraction form
4,653,134.60/6,974,517.90 = 1,812,302.60/x - Step 3: Cross multiply
4,653,134.60x = 6,974,517.90 × 1,812,302.60 - Step 4: Simplify right side
4,653,134.60x = 12,639,936,923,916.54 - Step 5: Solve for x
x = 12,639,936,923,916.54/4,653,134.60 - Step 6: Final answer
x = 2,716,434.84
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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.