Finding the Fourth Proportional to 5,417,048.71, 8,123,210.81 and 2,048,893.75
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Solution
The fourth proportional to 5,417,048.71, 8,123,210.81 and 2,048,893.75 is: 3,072,447.15
Step by Step Solution
- Step 1: Write the proportion equation
5,417,048.71 : 8,123,210.81 = 2,048,893.75 : x - Step 2: Convert to fraction form
5,417,048.71/8,123,210.81 = 2,048,893.75/x - Step 3: Cross multiply
5,417,048.71x = 8,123,210.81 × 2,048,893.75 - Step 4: Simplify right side
5,417,048.71x = 16,643,595,858,541.44 - Step 5: Solve for x
x = 16,643,595,858,541.44/5,417,048.71 - Step 6: Final answer
x = 3,072,447.15
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1.5x scale
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.