Finding the Fourth Proportional to 3,313,277.70, 4,969,916.55 and 1,872,482.10
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Solution
The fourth proportional to 3,313,277.70, 4,969,916.55 and 1,872,482.10 is: 2,808,723.15
Step by Step Solution
- Step 1: Write the proportion equation
3,313,277.70 : 4,969,916.55 = 1,872,482.10 : x - Step 2: Convert to fraction form
3,313,277.70/4,969,916.55 = 1,872,482.10/x - Step 3: Cross multiply
3,313,277.70x = 4,969,916.55 × 1,872,482.10 - Step 4: Simplify right side
3,313,277.70x = 9,306,079,778,368.76 - Step 5: Solve for x
x = 9,306,079,778,368.76/3,313,277.70 - Step 6: Final answer
x = 2,808,723.15
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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.