Finding the Fourth Proportional to 3,195,916.74, 4,410,338.81 and 1,745,613.18
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Solution
The fourth proportional to 3,195,916.74, 4,410,338.81 and 1,745,613.18 is: 2,408,931.83
Step by Step Solution
- Step 1: Write the proportion equation
3,195,916.74 : 4,410,338.81 = 1,745,613.18 : x - Step 2: Convert to fraction form
3,195,916.74/4,410,338.81 = 1,745,613.18/x - Step 3: Cross multiply
3,195,916.74x = 4,410,338.81 × 1,745,613.18 - Step 4: Simplify right side
3,195,916.74x = 7,698,745,546,273.45 - Step 5: Solve for x
x = 7,698,745,546,273.45/3,195,916.74 - Step 6: Final answer
x = 2,408,931.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.